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									                                      Overall Results for 2012 MEDLINE Baseline

     2012 MEDLINE/PubMed Baseline: 20,494,848 Citations Found
                                                                                 Min/Avg/Max Min/Avg/Max
                       Element Name                 Citations        Occurrences Occurrences   Length
     PMID                                               20,494,848      20,494,848       1/1.00/1            1/7.47/8
     DateCreated                                        20,494,848      20,494,848       1/1.00/1            8/8.00/8
     DateCompleted                                      20,494,848      20,494,848       1/1.00/1            8/8.00/8
     DateRevised                                        17,062,154      17,062,154       0/1.00/1            8/8.00/8
     ISSN                                               20,215,157      20,215,157       0/1.00/1            9/9.00/9
      IssnType=Electronic                                       0        2,279,963                    0                     0
      IssnType=Print                                            0       17,935,194                    0                     0
     Volume                                             20,117,923      20,117,923       0/1.00/1            1/2.23/50
     Issue                                              18,675,651      18,675,651       0/1.00/1            1/1.46/30
     PubDate                                            20,494,848      20,494,848       1/1.00/1            4/7.36/38
     Title                                              20,494,848      20,494,848       1/1.00/1           2/37.66/595
     ISOAbbreviation                                    20,494,819      20,494,819       0/1.00/1           1/16.51/96
     ArticleTitle                                       20,494,848      20,494,848       1/1.00/1          2/84.50/1086
     MedlinePgn                                         20,488,881      20,488,881       0/1.00/1           1/5.68/176
     ELocationID                                          126,201            136,829     0/1.08/2            0/0.00/0
       Valid Yes                                                0            136,829                  0                     0
       Valid No                                                 0                 0                   0                     0
       EIdType=doi                                              0            103,074                  0                     0
       EIdType=pii                                              0             33,755                  0                     0
     Abstract                                                   0                 0                   0                     0
       AbstractText                                     11,620,324      11,620,324       0/1.00/1         50/1204.66/9996
       CopyrightInformation                               578,002            578,002     0/1.00/1           1/47.11/422
       Identified as Structured Abstract                 1,817,573       0                  0                   0
     Affiliation                                        10,670,598      10,670,598       0/1.00/1          1/100.94/496
     Author                                             20,037,260      68,448,938     0/3.42/3173          1/11.98/500
       Valid Yes                                                0       68,436,837                    0                     0
       Valid No                                                 0             12,101                  0                     0
       LastName                                         20,014,590      68,345,497     0/3.41/3172          1/6.84/163
       ForeName                                         19,986,290      68,259,067     0/3.42/3172           1/3.66/74
       Initials                                         19,986,289      68,259,062     0/3.42/3172           1/1.43/8
       Suffix                                             373,292            394,469     0/1.06/7            2/2.19/3
       CollectiveName                                      94,941            103,441    0/1.09/29           1/42.11/500
       LastForeSuffix                                   20,014,590      68,345,497     0/3.41/3172          1/10.51/163
       LastInitialsSuffix                               20,014,590      68,345,497     0/3.41/3172          1/8.28/163
     Language                                           20,494,848      20,532,852       1/1.00/4            3/3.00/3
     Grant                                               1,746,637       3,612,271      0/2.07/216          21/37.50/94
       GrantID                                           1,679,097       3,518,639      0/2.10/216          1/10.20/50
       Acronym                                           1,612,022       3,387,512      0/2.10/216           2/2.00/2
       Agency                                            1,746,637       3,612,271      0/2.07/216          3/12.69/54
       Country                                           1,746,637       3,612,271      0/2.07/216          5/13.00/14
     DataBank                                             209,004            212,383     0/1.02/4          5/95.15/47047
       DataBankName                                       209,004            212,383     0/1.02/4            3/7.07/18
       AccessionNumber                                    209,004        2,432,026     0/11.64/5880          2/7.69/14
     PublicationType                                    20,494,848      36,582,528      1/1.78/10           4/17.92/56
     ArticleDate                                         2,073,442       2,073,442       0/1.00/1            8/8.00/8
     VernacularTitle                                     3,386,308       3,386,308       0/1.00/1           1/79.15/614
     Country                                            20,494,848      20,494,848       1/1.00/1           4/10.17/35
     MedlineTA                                          20,494,848      20,494,848       1/1.00/1           1/15.41/96
     NlmUniqueID                                        20,494,848      20,494,848       1/1.00/1            7/7.24/9



8/31/2012                                                                                                                       1
                                    Overall Results for 2012 MEDLINE Baseline


                                                                                Min/Avg/Max Min/Avg/Max
                       Element Name               Citations         Occurrences Occurrences   Length
     ISSNLinking                                      20,031,857       20,031,857     0/1.00/1        9/9.00/9
     Chemical                                         10,350,238       38,873,078    0/3.76/57       4/20.67/250
       RegistryNumber                                 10,350,238       38,873,078    0/3.76/57        1/4.35/14
       NameOfSubstance                                10,350,238       38,873,078    0/3.76/57       2/16.32/249
     SupplMeshName                                       22,244           26,484     0/1.19/10       5/17.00/111
       Type=Disease                                        6,148            6,364     0/1.04/5       6/28.20/111
       Type=Protocol                                     16,107           20,120     0/1.25/10       5/13.46/43
     CitationSubset                                   19,678,639       22,528,839     0/1.14/6        1/1.99/3
     GeneSymbol                                          59,509          126,195     0/2.12/25        1/4.51/41
     CommentsCorrections                               2,319,121       37,680,233   0/16.25/4881     8/45.08/835
       RetractionOf                                        1,820            1,990    0/1.09/11      25/95.04/344
       RetractionIn                                        1,921            1,942     0/1.01/2      27/63.01/341
       SummaryForPatientsIn                                   910            924      0/1.02/3       29/45.27/62
       OriginalReportIn                                       879            924      0/1.05/3       32/47.77/68
       CommentOn                                        471,166          518,379     0/1.10/27       8/45.58/215
       CommentIn                                        419,512          524,197     0/1.25/57      24/48.09/125
       ErratumIn                                        105,909          107,634      0/1.02/5       9/42.35/835
       ErratumFor                                          1,077            1,099     0/1.02/7       8/46.02/104
       ReprintIn                                           1,744            1,770     0/1.01/3       27/50.31/92
       ReprintOf                                           1,668            1,676     0/1.00/4      26/49.36/148
       RepublishedFrom                                     1,375            1,380     0/1.00/2      19/45.46/110
       RepublishedIn                                       1,177            1,182     0/1.00/2       26/47.32/92
       UpdateIn                                            3,498            3,528     0/1.01/2       33/49.26/59
       UpdateOf                                            3,527            3,527     0/1.00/1      31/49.00/100
       PartialRetractionOf                                     32             33      0/1.03/2      32/113.18/211
       PartialRetractionIn                                     32             32      0/1.00/1      36/83.12/199
       Cites                                           1,432,880       36,510,016   0/25.48/4881    22/45.03/198
     MeshHeading                                      19,488,905      194,247,091    0/9.97/103      2/20.10/204
       DescriptorName                                 19,488,905      194,247,091    0/9.97/103      2/13.99/104
            Descriptor Major                          10,105,490       18,678,160    0/1.85/103          0
            Descriptor Not Major                      18,287,898      172,335,420    0/9.42/63           0
       QualifierName                                  17,214,765      105,650,455    0/6.14/71       5/11.23/29
            Qualifier Major                           16,468,601       45,902,288    0/2.79/30           0
            Qualifier Not Major                       13,435,816       59,748,167    0/4.45/71           0
       Descriptor and/or Qualifier Major              19,356,078       62,467,310    0/3.23/103          0
     NumberOfReferences                                1,546,702        1,546,702     0/1.00/1        1/2.10/8
     PersonalNameSubject                                159,061          179,977     0/1.13/28       3/12.23/70
       LastName                                         159,061          179,977     0/1.13/28        2/7.43/69
       ForeName                                         151,186          170,603     0/1.13/28        1/3.63/48
       Initials                                         151,177          170,593     0/1.13/28        1/1.42/6
       Suffix                                              1,198            1,227     0/1.02/3        1/2.24/12
       LastForeSuffix                                   159,061          179,977     0/1.13/28       3/10.89/69
       LastInitialsSuffix                               159,061          179,977     0/1.13/28        3/8.79/69
     OtherID                                           3,110,853        3,445,774     0/1.11/5       1/11.49/391
       NLM Source                                               0       1,899,303        0               0
     OtherAbstract                                              0              0         0               0
       AbstractText                                      61,934           61,974      0/1.00/2     60/1284.23/4096
       CopyrightInformation                                1,856            1,856     0/1.00/1       11/16.80/17




8/31/2012                                                                                                            2
                                       Overall Results for 2012 MEDLINE Baseline

                                                                                             Min/Avg/Max Min/Avg/Max
                        Element Name                        Citations            Occurrences Occurrences   Length
     Keyword                                                         2,140,683       6,545,537      0/3.06/105         1/16.91/123
       Keyword Major                                                 2,066,255       5,481,597      0/2.65/105             0
       Keyword Not Major                                              154,082        1,063,940      0/6.91/88              0
     GeneralNote                                                      147,304         280,668       0/1.91/32          2/34.30/704
     SpaceFlightMission                                                  4,189         19,399       0/4.63/12          6/13.87/28
     InvestigatorList                                                  21,702               0             0                0
     Investigator: Inclusive (pre-2008 Policy)                           8,951         10,306        0/1.15/6          7/31.04/96
       LastName                                                          8,951         10,306        0/1.15/6           2/6.70/16
       ForeName                                                          8,943         10,295        0/1.15/6           1/2.70/9
       Initials                                                          8,943         10,295        0/1.15/6           1/1.84/2
       Suffix                                                              16              16        0/1.00/1           2/2.19/3
       Affiliation                                                       8,950         10,305        0/1.15/6          3/19.81/83
       LastForeSuffix                                                    8,951         10,306        0/1.15/6           3/9.40/19
       LastInitialsSuffix                                                8,951         10,306        0/1.15/6           3/8.54/18
     Investigator: 2008 Policy                                         12,751         736,232      0/57.74/2079        2/12.34/66
       LastName                                                        12,751         736,232      0/57.74/2079         1/7.05/66
       ForeName                                                        12,708         728,573      0/57.33/2078         1/4.15/47
       Initials                                                        12,708         728,572      0/57.33/2078         1/1.19/6
       Suffix                                                             963           1,659       0/1.72/20           2/2.31/3
       Affiliation                                                         15              15        0/1.00/1          8/24.80/43
       LastForeSuffix                                                  12,751         736,232      0/57.74/2079        2/11.16/66
       LastInitialsSuffix                                              12,751         736,232      0/57.74/2079         2/8.23/66


     Element Name                                       Citations
     Average Record Size in Bytes                                        1,396
     Words in Title Average                                              11.64
     Words in Title Max                                                   249
     Words in Abstract Average                                         182.35
     Words in Abstract Max                                               1,669
     AB Size Zero                                                    8,874,524
     AB Size < 1,000                                                 4,329,929
     AB Size 1,000 - 1,999                                           6,582,709
     AB Size 2,000 - 2,999                                            670,732
     AB Size 3,000 - 3,999                                             32,330
     AB Size 4,000 - 4,999                                               3,292
     AB Size > 5,000                                                     1,332
     Number of MH Occurrences with NO SHs                       117,335,663
     Number of MH Occurrences with ONE SH                           54,739,989
     Number of MH Occurrences with SHs                              76,911,428
     Number of MH Type=Geographic                                    3,233,511


     CollectiveName, Author, and Investigator Related                                            Counts
     Citations containing ONLY CollectiveName                                                                 22,670
     Citations containing BOTH CollectiveName and Author LastName                                             72,271
     Citations containing BOTH CollectiveName and Investigator LastName                                       12,733
     Citations containing BOTH Author LastName and Investigator LastName                                      20,774
     Citations containing Investigator LastName and Owned by NASA                                              3,911
     Both Investigator and Author Found                                                                       20,774
     Investigator Found Without Collective                                                                     8,969




8/31/2012                                                                                                                            3
                                Overall Results for 2012 MEDLINE Baseline

     MedlineCitation Status                Counts
      Completed                                                0
      In-Process                                               0
      In-Data-Review                                           0
      PubMed-not-MEDLINE                              816,209
      OLDMEDLINE                                      425,851
      MEDLINE                                       19,252,788


     Article PubModel                      Counts
      Print-Electronic                               1,902,998
      Electronic-Print                                   5,138
      Print                                         18,417,169
      Electronic                                      169,543


     JournalIssue CitedMedium              Counts
      Internet                                       2,325,228
      Print                                         18,169,620


     Owner                                   MedlineCitation       GeneralNote       Keyword
       NLM                                          20,365,570             2,582       1,985,398
       NASA                                            10,725              4,570          12,946
       PIP                                             37,395             63,812          68,937
       KIE                                             31,972            209,640          73,831
       HSR                                               6,990               64                0
       HMD                                             42,196                    0             0
       SIS                                                     0                 0             0
       NOTNLM                                                  0                 0             0


     CitationSubsets                       Counts
      AIM                                            1,861,371
      B                                                10,445
      C                                                  7,404
      D                                               500,007
      E                                                88,526
      F                                                  8,017
      H                                               246,598
      IM                                            16,476,085
      J                                                69,025
      K                                                21,068
      N                                               586,554
      OM                                             2,003,809
      Q                                               200,496
      QIS                                                4,516
      QO                                               24,474
      R                                                  3,603
      S                                               184,570
      T                                                47,373
      X                                               184,898


     Grant Country                         Counts
      United States                                  3,483,132




8/31/2012                                                                                          4
                                    Overall Results for 2012 MEDLINE Baseline

      United Kingdom                                      111,067
      Canada                                               16,050
      Italy                                                  1,911
      Austria                                                  93
      Ireland                                                  18


     Publication Types                         Counts
      Addresses                                              3,799
      Bibliography                                         14,615
      Biography                                           156,856
      Case Reports                                       1,540,938
      Classical Article                                      5,278
      Clinical Conference                                    6,064
      Clinical Trial                                      463,599
      Clinical Trial, Phase I                              11,375
      Clinical Trial, Phase II                             18,140
      Clinical Trial, Phase III                              6,341
      Clinical Trial, Phase IV                                639
      Comment                                             471,167
      Comparative Study                                  1,536,577
      Congresses                                           56,124
      Consensus Development Conference                       7,571
      Consensus Development Conference, NIH                   674
      Controlled Clinical Trial                            82,889
      Corrected and Republished Article                      1,375
      Dictionary                                              528
      Directory                                              6,591
      Duplicate Publication                                   966
      Editorial                                           286,399
      English Abstract                                   1,599,794
      Evaluation Studies                                  155,012
      Festschrift                                            1,306
      Government Publications                                 186
      Guideline                                            14,907
      Historical Article                                  277,279
      In Vitro                                            362,872
      Interview                                            22,058
      Journal Article                                   19,205,901
      Lectures                                               5,257
      Legal Cases                                            9,650
      Legislation                                            1,666
      Letter                                              728,373
      Meta-Analysis                                        29,889
      Multicenter Study                                   133,690
      News                                                140,001
      Newspaper Article                                    17,570
      Overall                                              25,672
      Patient Education Handout                              3,374
      Periodical Index                                        318
      Portraits                                            35,296
      Practice Guideline                                   15,789
      Published Erratum                                      1,095



8/31/2012                                                                       5
                                     Overall Results for 2012 MEDLINE Baseline

      Randomized Controlled Trial                           312,716
      Research Support, American Recovery
      and Reinvestment Act                                      239
      Research Support, N.I.H., Extramural                  498,946
      Research Support, N.I.H., Intramural                   23,488
      Research Support, Non-U.S. Gov't                     4,559,216
      Research Support, U.S. Gov't, Non-P.H.S.              573,845
      Research Support, U.S. Gov't, P.H.S.                 1,433,470
      Retracted Publication                                    1,950
      Retraction of Publication                                1,852
      Review                                               1,630,740
      Scientific Integrity Review                               156
      Technical Report                                         2,050
      Twin Study                                               4,904
      Validation Studies                                     51,808
      Video-Audio Media                                        1,646
      Webcasts                                                  184


     ELocationId EIdType                         Counts
      DOI or PII, MedlinePgn Not Found                         4,662
      DOI or PII, MedlinePgn Found                          110,911
      DOI and PII, MedlinePgn Not Found                        1,305
      DOI and PII, MedlinePgn Found                            9,323


     PMID Versioning                             Counts
      Version 1                                           20,494,848




8/31/2012                                                                        6
       2012 MEDLINE Baseline: Results for 1809 - 1974 (pre-1975) Based on Publication Date

                                                                         Min/Avg/Max Min/Avg/Max
                       Element Name        Citations         Occurrences Occurrences   Length
     PMID                                       4,283,515        4,283,515   1/1.00/1       6/7.54/8
     DateCreated                                4,283,515        4,283,515   1/1.00/1       8/8.00/8
     DateCompleted                              4,283,515        4,283,515   1/1.00/1       8/8.00/8
     DateRevised                                3,951,742        3,951,742   0/1.00/1       8/8.00/8
     ISSN                                       4,062,495        4,062,495   0/1.00/1       9/9.00/9
      IssnType=Electronic                                           4,947
      IssnType=Print                                             4,057,548
     Volume                                     4,251,674        4,251,674   0/1.00/1      1/2.02/35
     Issue                                      3,325,898        3,325,898   0/1.00/1      1/1.58/30
     PubDate                                    4,283,515        4,283,515   1/1.00/1      4/7.44/23
     Title                                      4,283,515        4,283,515   1/1.00/1     2/35.25/391
     ISOAbbreviation                            4,283,510        4,283,510   0/1.00/1      2/16.40/96
     ArticleTitle                               4,283,515        4,283,515   1/1.00/1     3/68.55/966
     MedlinePgn                                 4,283,515        4,283,515   1/1.00/1      1/5.42/94
     ELocationID                                       958            958    0/1.00/1       0/0.00/0
       Valid Yes                                                      958
       Valid No                                                         0
       EIdType=doi                                                    958
       EIdType=pii                                                      0
     Abstract
       AbstractText                               89,477           89,477    0/1.00/1    50/943.69/9989
       CopyrightInformation                             46             46    0/1.00/1       7/8.96/9
       Identified as Structured Abstract                 0
     Affiliation                                  51,016           51,016    0/1.00/1     4/66.63/430
     Author                                     4,111,713        7,809,943   0/1.90/37    1/10.52/129
       Valid Yes                                                 7,809,940
       Valid No                                                         3
       LastName                                 4,111,366        7,809,420   0/1.90/37     1/7.07/54
       ForeName                                 4,086,793        7,750,040   0/1.90/37     1/1.96/15
       Initials                                 4,086,793        7,750,040   0/1.90/37      1/1.48/6
       Suffix                                     93,229           99,062    0/1.06/5       2/2.08/3
       CollectiveName                                  520            523    0/1.01/2     3/39.63/129
       LastForeSuffix                           4,111,366        7,809,420   0/1.90/37     1/9.05/54
       LastInitialsSuffix                       4,111,366        7,809,420   0/1.90/37     1/8.57/54
     Language                                   4,283,515        4,290,179   1/1.00/3       3/3.00/3
     Grant                                             732          1,234    0/1.69/14    23/34.01/51
       GrantID                                         722          1,223    0/1.69/14     3/9.30/24
       Acronym                                         535            724    0/1.35/14      2/2.00/2
       Agency                                          732          1,234    0/1.69/14     7/10.61/38
       Country                                         732          1,234    0/1.69/14     6/13.00/14
     DataBank                                           77             77    0/1.00/1     13/22.04/187
       DataBankName                                     77             77    0/1.00/1       7/7.00/7
       AccessionNumber                                  77            193    0/2.51/30      6/6.00/6
     PublicationType                            4,283,515        4,757,778   1/1.11/7      4/14.74/40
     ArticleDate                                        42             42    0/1.00/1       8/8.00/8
     VernacularTitle                            1,503,527        1,503,527   0/1.00/1     1/75.32/539
     Country                                    4,283,515        4,283,515   1/1.00/1      4/10.85/35
     MedlineTA                                  4,283,515        4,283,515   1/1.00/1      2/15.58/96
     NlmUniqueID                                4,283,515        4,283,515   1/1.00/1       7/7.22/9




8/31/2012                                                                                                 7
       2012 MEDLINE Baseline: Results for 1809 - 1974 (pre-1975) Based on Publication Date

                                                                         Min/Avg/Max Min/Avg/Max
                       Element Name        Citations         Occurrences Occurrences   Length
     ISSNLinking                                4,016,121        4,016,121    0/1.00/1        9/9.00/9
     Chemical                                   1,548,914        4,299,640   0/2.78/32      4/17.27/108
       RegistryNumber                           1,548,914        4,299,640   0/2.78/32       1/4.61/13
       NameOfSubstance                          1,548,914        4,299,640   0/2.78/32      3/12.67/107
     SupplMeshName                                     112            112     0/1.00/1      13/20.26/40
       Type=Disease                                    112            112     0/1.00/1      13/20.26/40
       Type=Protocol                                     0              0     0/0.00/0        0/0.00/0
     CitationSubset                             4,000,422        4,394,496    0/1.10/4        1/1.99/3
     GeneSymbol                                          0              0     0/0.00/0        0/0.00/0
     CommentsCorrections                         201,410         1,828,601   0/9.08/559     26/44.00/107
       RetractionOf                                      0              0     0/0.00/0        0/0.00/0
       RetractionIn                                      1              1     0/1.00/1      50/50.00/50
       SummaryForPatientsIn                              0              0     0/0.00/0        0/0.00/0
       OriginalReportIn                                  0              0     0/0.00/0        0/0.00/0
       CommentOn                                       226            243     0/1.08/3      35/42.02/52
       CommentIn                                       399            440     0/1.10/6      26/44.98/97
       ErratumIn                                        74             75     0/1.01/2      28/35.91/87
       ErratumFor                                        0              0     0/0.00/0        0/0.00/0
       ReprintIn                                        19             19     0/1.00/1      35/46.89/56
       ReprintOf                                         0              0     0/0.00/0        0/0.00/0
       RepublishedFrom                                   0              0     0/0.00/0        0/0.00/0
       RepublishedIn                                     0              0     0/0.00/0        0/0.00/0
       UpdateIn                                          1              1     0/1.00/1      38/38.00/38
       UpdateOf                                          0              0     0/0.00/0        0/0.00/0
       PartialRetractionOf                               0              0     0/0.00/0        0/0.00/0
       PartialRetractionIn                               0              0     0/0.00/0        0/0.00/0
       Cites                                     200,738         1,827,822   0/9.11/559     27/44.00/107
     MeshHeading                                3,812,556       23,150,274   0/6.07/103     2/16.79/144
       DescriptorName                           3,812,556       23,150,274   0/6.07/103      2/12.63/71
            Descriptor Major                    2,474,789        5,466,978   0/2.21/103
            Descriptor Not Major                2,674,985       17,348,795   0/6.49/39
       QualifierName                            2,331,889        8,736,329   0/3.75/45       5/11.05/29
            Qualifier Major                     2,152,195        4,192,022   0/1.95/28
            Qualifier Not Major                 1,168,382        4,544,307   0/3.89/45
       Descriptor and/or Qualifier Major        3,702,261        9,602,558   0/2.59/103
     NumberOfReferences                           61,450           61,450     0/1.00/1        1/1.99/3
     PersonalNameSubject                          55,936           58,649    0/1.05/13       3/12.30/70
       LastName                                   55,936           58,649    0/1.05/13       2/7.72/69
       ForeName                                   51,606           53,973    0/1.05/12       1/3.51/36
       Initials                                   51,606           53,973    0/1.05/12        1/1.45/5
       Suffix                                          341            344     0/1.01/2       1/2.59/12
       LastForeSuffix                             55,936           58,649    0/1.05/13       3/10.97/69
       LastInitialsSuffix                         55,936           58,649    0/1.05/13       3/9.07/69
     OtherID                                    1,494,969        1,552,599    0/1.04/4      5/13.02/391
       NLM Source                                                 288,478
     OtherAbstract
       AbstractText                                4,098             4,098    0/1.00/1    180/1142.59/3494
       CopyrightInformation                             83             83     0/1.00/1      17/17.00/17
                                                                         Min/Avg/Max Min/Avg/Max
                       Element Name        Citations         Occurrences Occurrences   Length



8/31/2012                                                                                                    8
       2012 MEDLINE Baseline: Results for 1809 - 1974 (pre-1975) Based on Publication Date

     Keyword                                                    1,990,366     5,032,234   0/2.53/105         1/16.88/89
       Keyword Major                                            1,990,026     4,981,739   0/2.50/105
       Keyword Not Major                                              4,862     50,495    0/10.39/88
     GeneralNote                                                      2,941      4,691     0/1.60/6          4/43.87/168
     SpaceFlightMission                                                161         714     0/4.43/8          6/13.72/22
     InvestigatorList                                                     0
     Investigator: Inclusive (pre-2008 Policy)                            0          0     0/0.00/0           0/0.00/0
       LastName                                                           0          0     0/0.00/0           0/0.00/0
       ForeName                                                           0          0     0/0.00/0           0/0.00/0
       Initials                                                           0          0     0/0.00/0           0/0.00/0
       Suffix                                                             0          0     0/0.00/0           0/0.00/0
       Affiliation                                                        0          0     0/0.00/0           0/0.00/0
       LastForeSuffix                                                     0          0     0/0.00/0           0/0.00/0
       LastInitialsSuffix                                                 0          0     0/0.00/0           0/0.00/0
     Investigator: 2008 Policy                                            0          0     0/0.00/0           0/0.00/0
       LastName                                                           0          0     0/0.00/0           0/0.00/0
       ForeName                                                           0          0     0/0.00/0           0/0.00/0
       Initials                                                           0          0     0/0.00/0           0/0.00/0
       Suffix                                                             0          0     0/0.00/0           0/0.00/0
       Affiliation                                                        0          0     0/0.00/0           0/0.00/0
       LastForeSuffix                                                     0          0     0/0.00/0           0/0.00/0
       LastInitialsSuffix                                                 0          0     0/0.00/0           0/0.00/0


     Average Record Size in Bytes                                      458


     Words in Title                                              Average           9.54           Max                      135
     Words in Abstract                                           Average        144.89            Max                    1,599


     AB Size Zero                                               4,194,038
     AB Size < 1,000                                                 54,709
     AB Size 1,000 - 1,999                                           30,910
     AB Size 2,000 - 2,999                                            3,224
     AB Size 3,000 - 3,999                                             397
     AB Size 4,000 - 4,999                                             120
     AB Size > 5,000                                                   117


     Number of MH Occurrences with NO SHs                      15,752,088
     Number of MH Occurrences with ONE SH                       6,372,717
     Number of MH Occurrences with SHs                          7,398,186
     Number of MH Type=Geographic                                   334,501


     CollectiveName, Author, and Investigator Related Counts
     Citations containing ONLY CollectiveName                                                          347
     Citations containing BOTH CollectiveName and Author LastName                                      173
     Citations containing BOTH CollectiveName and Investigator LastName                                  0
     Citations containing BOTH Author LastName and Investigator LastName                                 0
     Citations containing Investigator LastName and Owned by NASA                                        0




8/31/2012                                                                                                                        9
       2012 MEDLINE Baseline: Results for 1809 - 1974 (pre-1975) Based on Publication Date

     MedlineCitation Status Counts:
      Completed                                           0
      In-Process                                          0
      In-Data-Review                                      0
      PubMed-not-MEDLINE                         283,093
      OLDMEDLINE                                 425,851
      MEDLINE                                   3,574,571


     Article PubModel Counts:
      Print-Electronic                                42
      Electronic-Print                                    0
      Print                                     4,283,473
      Electronic                                          0


     JournalIssue CitedMedium Counts:
      Internet                                      5,126
      Print                                     4,278,389


     Owner Counts:
                          Owner         MedlineCitation       GeneralNote       Keyword
       NLM                                      4,275,386              199        1,985,398
       NASA                                          238                34                 35
       PIP                                          1,768              968            4,527
       KIE                                          1,299             3,490               410
       HSR                                                0                 0               0
       HMD                                          4,824                   0               0
       SIS                                                0                 0               0
       NOTNLM                                             0                 0               0


     CitationSubsets Counts:
      AIM                                        237,778
      B                                                   1
      C                                                   0
      D                                          109,817
      E                                             1,797
      F                                             1,044
      H                                               55
      IM                                        1,888,266
      J                                             4,530
      K                                                   0
      N                                           66,624
      OM                                        2,003,809
      Q                                           49,001
      QIS                                                 0
      QO                                            4,609
      R                                             1,005
      S                                           26,160
      T                                                   0
      X                                                   0



     Publication Types Counts:



8/31/2012                                                                                       10
       2012 MEDLINE Baseline: Results for 1809 - 1974 (pre-1975) Based on Publication Date

      Addresses                                      4
      Bibliography                               2,634
      Biography                                 54,437
      Case Reports                              90,825
      Classical Article                              7
      Clinical Conference                           17
      Clinical Trial                            21,594
      Clinical Trial, Phase I                        3
      Clinical Trial, Phase II                       2
      Clinical Trial, Phase III                      1
      Clinical Trial, Phase IV                       0
      Comment                                      226
      Comparative Study                         53,601
      Congresses                                 1,281
      Consensus Development Conference               0
      Consensus Development Conference, NIH          0
      Controlled Clinical Trial                 10,159
      Corrected and Republished Article              0
      Dictionary                                    85
      Directory                                  1,244
      Duplicate Publication                          1
      Editorial                                    239
      English Abstract                          42,704
      Evaluation Studies                            31
      Festschrift                                    1
      Government Publications                       10
      Guideline                                      7
      Historical Article                        52,796
      In Vitro                                  76,860
      Interview                                      3
      Journal Article                         4,278,590
      Lectures                                       6
      Legal Cases                                   67
      Legislation                                   60
      Letter                                       949
      Meta-Analysis                                  1
      Multicenter Study                              8
      News                                         472
      Newspaper Article                             81
      Overall                                       31
      Patient Education Handout                      0
      Periodical Index                               1
      Portraits                                     46
      Practice Guideline                             0
      Published Erratum                              0
      Randomized Controlled Trial                3,438
      Research Support, American Recovery
      and Reinvestment Act                           0
      Research Support, N.I.H., Extramural         246
      Research Support, N.I.H., Intramural           1
      Research Support, Non-U.S. Gov't             545
     Publication Types Counts (continued):




8/31/2012                                                                                    11
       2012 MEDLINE Baseline: Results for 1809 - 1974 (pre-1975) Based on Publication Date

      Research Support, U.S. Gov't, Non-P.H.S.      1,183
      Research Support, U.S. Gov't, P.H.S.          1,650
      Retracted Publication                             1
      Retraction of Publication                         0
      Review                                       61,474
      Scientific Integrity Review                       0
      Technical Report                                  0
      Twin Study                                        0
      Validation Studies                                1
      Video-Audio Media                                 0
      Webcasts                                          0


     PMID Versioning Counts:
      Version 1                                  4,283,515




8/31/2012                                                                                    12
                   2012 MEDLINE Baseline: Results for 1975 - 1979 Based on Publication Date

                                                                              Min/Avg/Max Min/Avg/Max
                       Element Name             Citations         Occurrences Occurrences   Length
     PMID                                            1,305,648        1,305,648   1/1.00/1       1/6.21/8
     DateCreated                                     1,305,648        1,305,648   1/1.00/1       8/8.00/8
     DateCompleted                                   1,305,648        1,305,648   1/1.00/1       8/8.00/8
     DateRevised                                     1,293,302        1,293,302   0/1.00/1       8/8.00/8
     ISSN                                            1,297,825        1,297,825   0/1.00/1       9/9.00/9
      IssnType=Electronic                                                1,337
      IssnType=Print                                                  1,296,488
     Volume                                          1,243,199        1,243,199   0/1.00/1      1/2.11/38
     Issue                                           1,241,303        1,241,303   0/1.00/1      1/1.43/30
     PubDate                                         1,305,648        1,305,648   1/1.00/1      4/7.31/29
     Title                                           1,305,648        1,305,648   1/1.00/1     2/33.62/379
     ISOAbbreviation                                 1,305,648        1,305,648   1/1.00/1      2/16.34/96
     ArticleTitle                                    1,305,648        1,305,648   1/1.00/1     3/78.04/471
     MedlinePgn                                      1,305,648        1,305,648   1/1.00/1      1/5.35/176
     ELocationID                                              0              0    0/0.00/0       0/0.00/0
       Valid Yes                                                             0
       Valid No                                                              0
       EIdType=doi                                                           0
       EIdType=pii                                                           0
     Abstract
       AbstractText                                   536,019          536,019    0/1.00/1    50/861.08/6770
       CopyrightInformation                                  62             62    0/1.00/1       7/8.23/9
       Identified as Structured Abstract                     25
     Affiliation                                        8,920            8,920    0/1.00/1     10/84.60/237
     Author                                          1,267,321        3,151,202   0/2.49/49    2/10.59/130
       Valid Yes                                                      3,151,199
       Valid No                                                              3
       LastName                                      1,266,463        3,150,333   0/2.49/49     1/7.06/67
       ForeName                                      1,265,394        3,146,081   0/2.49/49     1/2.01/17
       Initials                                      1,265,394        3,146,081   0/2.49/49      1/1.50/6
       Suffix                                          29,895           31,804    0/1.06/5       2/2.14/3
       CollectiveName                                       866            869    0/1.00/2     4/31.59/130
       LastForeSuffix                                1,266,463        3,150,333   0/2.49/49     2/9.08/67
       LastInitialsSuffix                            1,266,463        3,150,333   0/2.49/49     2/8.58/67
     Language                                        1,305,648        1,307,012   1/1.00/4       3/3.00/3
     Grant                                              1,967            3,185    0/1.62/7     23/36.55/55
       GrantID                                          1,963            3,181    0/1.62/7      3/9.31/27
       Acronym                                          1,880            3,019    0/1.61/7       2/2.00/2
       Agency                                           1,967            3,185    0/1.62/7      7/12.36/38
       Country                                          1,967            3,185    0/1.62/7      6/12.99/14
     DataBank                                               597            597    0/1.00/1     13/35.27/187
       DataBankName                                         597            597    0/1.00/1       7/7.00/7
       AccessionNumber                                      597          2,813    0/4.71/30      6/6.00/6
     PublicationType                                 1,305,648        2,077,209   1/1.59/7      4/16.57/40
     ArticleDate                                             10             10    0/1.00/1       8/8.00/8
     VernacularTitle                                  354,103          354,103    0/1.00/1     3/80.16/451
     Country                                         1,305,648        1,305,648   1/1.00/1      4/9.82/28
     MedlineTA                                       1,305,648        1,305,648   1/1.00/1      2/15.30/96
     NlmUniqueID                                     1,305,648        1,305,648   1/1.00/1       7/7.13/9




8/31/2012                                                                                                      13
                  2012 MEDLINE Baseline: Results for 1975 - 1979 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length
     ISSNLinking                                    1,285,984        1,285,984     0/1.00/1        9/9.00/9
     Chemical                                        666,790         2,032,301    0/3.05/26       4/18.60/99
       RegistryNumber                                666,790         2,032,301    0/3.05/26        1/4.85/13
       NameOfSubstance                               666,790         2,032,301    0/3.05/26       3/13.74/89
     SupplMeshName                                           2              2      0/1.00/1       12/12.00/12
       Type=Disease                                          0              0      0/0.00/0        0/0.00/0
       Type=Protocol                                         2              2      0/1.00/1       12/12.00/12
     CitationSubset                                 1,289,411        1,542,285     0/1.20/4        1/1.99/3
     GeneSymbol                                              2              2      0/1.00/1        2/2.00/2
     CommentsCorrections                              72,742         1,086,894   0/14.94/1046    26/43.90/129
       RetractionOf                                          3              9      0/3.00/4      56/71.22/118
       RetractionIn                                         24             24      0/1.00/1      38/62.75/129
       SummaryForPatientsIn                                  0              0      0/0.00/0        0/0.00/0
       OriginalReportIn                                      0              0      0/0.00/0        0/0.00/0
       CommentOn                                            50             54      0/1.08/2       36/44.80/67
       CommentIn                                           130            134      0/1.03/3       34/49.00/96
       ErratumIn                                            33             33      0/1.00/1       26/38.45/80
       ErratumFor                                            1              1      0/1.00/1       44/44.00/44
       ReprintIn                                             9              9      0/1.00/1       42/46.00/49
       ReprintOf                                             0              0      0/0.00/0        0/0.00/0
       RepublishedFrom                                       2              2      0/1.00/1       31/39.00/47
       RepublishedIn                                         0              0      0/0.00/0        0/0.00/0
       UpdateIn                                              2              2      0/1.00/1       53/53.00/53
       UpdateOf                                              0              0      0/0.00/0        0/0.00/0
       PartialRetractionOf                                   0              0      0/0.00/0        0/0.00/0
       PartialRetractionIn                                   0              0      0/0.00/0        0/0.00/0
       Cites                                          72,516         1,086,626   0/14.98/1046    26/43.90/106
     MeshHeading                                    1,289,388       11,772,498    0/9.13/68       2/17.98/152
       DescriptorName                               1,289,388       11,772,498    0/9.13/68       2/12.67/86
            Descriptor Major                         653,188         1,123,774    0/1.72/37
            Descriptor Not Major                    1,270,559       10,422,472    0/8.20/37
       QualifierName                                1,143,711        5,579,099    0/4.88/35       5/11.20/29
            Qualifier Major                         1,048,195        2,366,521    0/2.26/14
            Qualifier Not Major                      898,992         3,212,578    0/3.57/32
       Descriptor and/or Qualifier Major            1,279,306        3,480,362    0/2.72/37
     NumberOfReferences                               34,042           34,042      0/1.00/1        1/2.21/4
     PersonalNameSubject                              17,953           19,297     0/1.07/10       3/10.82/53
       LastName                                       17,953           19,297     0/1.07/10        2/7.37/53
       ForeName                                       17,542           18,786     0/1.07/10        1/2.05/12
       Initials                                       17,539           18,783     0/1.07/10        1/1.48/4
       Suffix                                              159            159      0/1.00/1        2/2.09/3
       LastForeSuffix                                 17,953           19,297     0/1.07/10        3/9.38/53
       LastInitialsSuffix                             17,953           19,297     0/1.07/10        3/8.82/53
     OtherID                                         105,011          115,757      0/1.10/4        4/8.83/12
       NLM Source                                                      79,232
     OtherAbstract
       AbstractText                                    6,592             6,592     0/1.00/1     90/1139.51/3423
       CopyrightInformation                                103            103      0/1.00/1       17/17.00/17
                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length



8/31/2012                                                                                                         14
                  2012 MEDLINE Baseline: Results for 1975 - 1979 Based on Publication Date

     Keyword                                                         11,114   142,539   0/12.83/84         2/16.60/66
       Keyword Major                                                  9,796    43,117   0/4.40/41
       Keyword Not Major                                             10,381    99,422   0/9.58/71
     GeneralNote                                                     11,323    18,670    0/1.65/8          3/41.51/220
     SpaceFlightMission                                                348      1,641    0/4.72/9          6/13.85/25
     InvestigatorList                                                     0
     Investigator: Inclusive (pre-2008 Policy)                            0        0     0/0.00/0           0/0.00/0
       LastName                                                           0        0     0/0.00/0           0/0.00/0
       ForeName                                                           0        0     0/0.00/0           0/0.00/0
       Initials                                                           0        0     0/0.00/0           0/0.00/0
       Suffix                                                             0        0     0/0.00/0           0/0.00/0
       Affiliation                                                        0        0     0/0.00/0           0/0.00/0
       LastForeSuffix                                                     0        0     0/0.00/0           0/0.00/0
       LastInitialsSuffix                                                 0        0     0/0.00/0           0/0.00/0
     Investigator: 2008 Policy                                            0        0     0/0.00/0           0/0.00/0
       LastName                                                           0        0     0/0.00/0           0/0.00/0
       ForeName                                                           0        0     0/0.00/0           0/0.00/0
       Initials                                                           0        0     0/0.00/0           0/0.00/0
       Suffix                                                             0        0     0/0.00/0           0/0.00/0
       Affiliation                                                        0        0     0/0.00/0           0/0.00/0
       LastForeSuffix                                                     0        0     0/0.00/0           0/0.00/0
       LastInitialsSuffix                                                 0        0     0/0.00/0           0/0.00/0


     Average Record Size in Bytes                                      894


     Words in Title                                              Average         10.7           Max                      68
     Words in Abstract                                           Average       131.76           Max                    1,062


     AB Size Zero                                                   769,629
     AB Size < 1,000                                                362,534
     AB Size 1,000 - 1,999                                          162,960
     AB Size 2,000 - 2,999                                           10,115
     AB Size 3,000 - 3,999                                             386
     AB Size 4,000 - 4,999                                              14
     AB Size > 5,000                                                    10


     Number of MH Occurrences with NO SHs                       7,196,911
     Number of MH Occurrences with ONE SH                       3,745,418
     Number of MH Occurrences with SHs                          4,575,587
     Number of MH Type=Geographic                                   226,252


     CollectiveName, Author, and Investigator Related Counts
     Citations containing ONLY CollectiveName                                                        858
     Citations containing BOTH CollectiveName and Author LastName                                      8
     Citations containing BOTH CollectiveName and Investigator LastName                                0
     Citations containing BOTH Author LastName and Investigator LastName                               0
     Citations containing Investigator LastName and Owned by NASA                                      0




8/31/2012                                                                                                                      15
                 2012 MEDLINE Baseline: Results for 1975 - 1979 Based on Publication Date

     MedlineCitation Status Counts:
      Completed                                                0
      In-Process                                               0
      In-Data-Review                                           0
      PubMed-not-MEDLINE                               16,237
      OLDMEDLINE                                               0
      MEDLINE                                        1,289,411


     Article PubModel Counts:
      Print-Electronic                                     10
      Electronic-Print                                         0
      Print                                          1,305,638
      Electronic                                               0


     JournalIssue CitedMedium Counts:
      Internet                                           1,341
      Print                                          1,304,307


     Owner Counts:
                          Owner              MedlineCitation       GeneralNote       Keyword
       NLM                                           1,292,358                   0              0
       NASA                                               233                44                52
       PIP                                               4,077             4,858           8,978
       KIE                                               4,245            13,768           2,104
       HSR                                                     0                 0              0
       HMD                                               4,735                   0              0
       SIS                                                     0                 0              0
       NOTNLM                                                  0                 0              0


     CitationSubsets Counts:
      AIM                                             164,684
      B                                                        0
      C                                                   508
      D                                                50,735
      E                                                  6,941
      F                                                  1,323
      H                                                17,803
      IM                                             1,189,201
      J                                                  8,989
      K                                                    67
      N                                                44,408
      OM                                                       0
      Q                                                32,254
      QIS                                                      0
      QO                                                 4,689
      R                                                  2,589
      S                                                18,093
      T                                                        0
      X                                                        1



     Publication Types Counts:



8/31/2012                                                                                           16
                  2012 MEDLINE Baseline: Results for 1975 - 1979 Based on Publication Date

      Addresses                                           0
      Bibliography                                    1,400
      Biography                                      17,502
      Case Reports                                  126,102
      Classical Article                                   1
      Clinical Conference                                 7
      Clinical Trial                                 20,993
      Clinical Trial, Phase I                             0
      Clinical Trial, Phase II                            0
      Clinical Trial, Phase III                           0
      Clinical Trial, Phase IV                            0
      Comment                                            50
      Comparative Study                              88,158
      Congresses                                      2,530
      Consensus Development Conference                   22
      Consensus Development Conference, NIH              22
      Controlled Clinical Trial                       6,548
      Corrected and Republished Article                   2
      Dictionary                                         72
      Directory                                         851
      Duplicate Publication                               4
      Editorial                                      11,431
      English Abstract                              219,264
      Evaluation Studies                                 28
      Festschrift                                         0
      Government Publications                            36
      Guideline                                          18
      Historical Article                             32,090
      In Vitro                                       31,956
      Interview                                         418
      Journal Article                              1,254,055
      Lectures                                            3
      Legal Cases                                       239
      Legislation                                       191
      Letter                                         33,935
      Meta-Analysis                                       0
      Multicenter Study                                   8
      News                                            1,618
      Newspaper Article                                 462
      Overall                                            11
      Patient Education Handout                           0
      Periodical Index                                    1
      Portraits                                         345
      Practice Guideline                                  6
      Published Erratum                                   1
      Randomized Controlled Trial                     6,671
      Research Support, American Recovery
      and Reinvestment Act                                0
      Research Support, N.I.H., Extramural               69
      Research Support, N.I.H., Intramural                0
      Research Support, Non-U.S. Gov't                2,423
     Publication Types Counts (continued):




8/31/2012                                                                                    17
               2012 MEDLINE Baseline: Results for 1975 - 1979 Based on Publication Date

      Research Support, U.S. Gov't, Non-P.H.S.     46,290
      Research Support, U.S. Gov't, P.H.S.        137,215
      Retracted Publication                            24
      Retraction of Publication                         3
      Review                                       34,042
      Scientific Integrity Review                       0
      Technical Report                                  1
      Twin Study                                        2
      Validation Studies                                5
      Video-Audio Media                                 0
      Webcasts                                          0


     PMID Versioning Counts:
      Version 1                                  1,305,648




8/31/2012                                                                                 18
                   2012 MEDLINE Baseline: Results for 1980 - 1984 Based on Publication Date

                                                                              Min/Avg/Max Min/Avg/Max
                       Element Name             Citations         Occurrences Occurrences   Length
     PMID                                            1,461,480        1,461,480   1/1.00/1       6/7.05/8
     DateCreated                                     1,461,480        1,461,480   1/1.00/1       8/8.00/8
     DateCompleted                                   1,461,480        1,461,480   1/1.00/1       8/8.00/8
     DateRevised                                     1,446,947        1,446,947   0/1.00/1       8/8.00/8
     ISSN                                            1,454,341        1,454,341   0/1.00/1       9/9.00/9
      IssnType=Electronic                                                1,547
      IssnType=Print                                                  1,452,794
     Volume                                          1,408,838        1,408,838   0/1.00/1      1/2.17/50
     Issue                                           1,386,510        1,386,510   0/1.00/1      1/1.40/30
     PubDate                                         1,461,480        1,461,480   1/1.00/1      4/7.18/37
     Title                                           1,461,480        1,461,480   1/1.00/1     2/34.00/346
     ISOAbbreviation                                 1,461,480        1,461,480   1/1.00/1      2/16.40/96
     ArticleTitle                                    1,461,480        1,461,480   1/1.00/1     4/80.83/460
     MedlinePgn                                      1,461,480        1,461,480   1/1.00/1      1/5.41/66
     ELocationID                                            375            375    0/1.00/1       0/0.00/0
       Valid Yes                                                           375
       Valid No                                                              0
       EIdType=doi                                                         375
       EIdType=pii                                                           0
     Abstract
       AbstractText                                   727,524          727,524    0/1.00/1    50/967.46/6122
       CopyrightInformation                                 632            632    0/1.00/1       7/7.26/9
       Identified as Structured Abstract                      4
     Affiliation                                       12,912           12,912    0/1.00/1     4/90.15/471
     Author                                          1,427,506        4,026,990   0/2.82/85    2/10.50/147
       Valid Yes                                                      4,026,987
       Valid No                                                              3
       LastName                                      1,425,825        4,025,254   0/2.82/85     1/7.01/40
       ForeName                                      1,425,081        4,022,369   0/2.82/85     1/1.97/18
       Initials                                      1,425,081        4,022,369   0/2.82/85      1/1.49/6
       Suffix                                          35,251           37,436    0/1.06/5       2/2.17/3
       CollectiveName                                   1,691            1,736    0/1.03/3     4/39.13/147
       LastForeSuffix                                1,425,825        4,025,254   0/2.82/85     2/9.00/40
       LastInitialsSuffix                            1,425,825        4,025,254   0/2.82/85     2/8.51/40
     Language                                        1,461,480        1,462,826   1/1.00/4       3/3.00/3
     Grant                                            159,271          266,433    0/1.67/10    21/36.02/70
       GrantID                                        159,257          266,419    0/1.67/10     1/8.78/44
       Acronym                                        154,603          257,047    0/1.66/10      2/2.00/2
       Agency                                         159,271          266,433    0/1.67/10     3/12.31/38
       Country                                        159,271          266,433    0/1.67/10     6/13.00/14
     DataBank                                           4,625            4,625    0/1.00/1     13/27.06/223
       DataBankName                                     4,625            4,625    0/1.00/1       7/7.00/7
       AccessionNumber                                  4,625           15,462    0/3.34/36      6/6.00/6
     PublicationType                                 1,461,480        2,654,050   1/1.82/7      4/18.11/40
     ArticleDate                                              0              0    0/0.00/0       0/0.00/0
     VernacularTitle                                  311,693          311,693    0/1.00/1     4/81.88/405
     Country                                         1,461,480        1,461,480   1/1.00/1      4/9.94/32
     MedlineTA                                       1,461,480        1,461,480   1/1.00/1      2/15.34/96
     NlmUniqueID                                     1,461,480        1,461,480   1/1.00/1       7/7.13/9




8/31/2012                                                                                                      19
                  2012 MEDLINE Baseline: Results for 1980 - 1984 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length
     ISSNLinking                                    1,445,997        1,445,997    0/1.00/1        9/9.00/9
     Chemical                                        769,495         2,527,066    0/3.28/38      4/19.76/204
       RegistryNumber                                769,495         2,527,066    0/3.28/38       1/4.99/13
       NameOfSubstance                               769,495         2,527,066    0/3.28/38      2/14.76/194
     SupplMeshName                                         913           1,203    0/1.32/6       6/13.04/23
       Type=Disease                                          0              0     0/0.00/0        0/0.00/0
       Type=Protocol                                       913           1,203    0/1.32/6       6/13.04/23
     CitationSubset                                 1,439,400        1,705,555    0/1.18/6        1/1.98/3
     GeneSymbol                                              6              9     0/1.50/3        3/3.44/4
     CommentsCorrections                              88,889         1,555,488   0/17.50/694    19/43.82/129
       RetractionOf                                         28             37     0/1.32/5      53/80.27/114
       RetractionIn                                         60             60     0/1.00/1      37/65.12/129
       SummaryForPatientsIn                                  0              0     0/0.00/0        0/0.00/0
       OriginalReportIn                                      0              0     0/0.00/0        0/0.00/0
       CommentOn                                            51             54     0/1.06/2       36/41.91/55
       CommentIn                                           192            204     0/1.06/3       34/47.57/75
       ErratumIn                                            81             81     0/1.00/1       19/36.11/97
       ErratumFor                                            0              0     0/0.00/0        0/0.00/0
       ReprintIn                                            14             14     0/1.00/1       41/46.43/49
       ReprintOf                                             0              0     0/0.00/0        0/0.00/0
       RepublishedFrom                                       0              0     0/0.00/0        0/0.00/0
       RepublishedIn                                         0              0     0/0.00/0        0/0.00/0
       UpdateIn                                              2              2     0/1.00/1       53/53.00/53
       UpdateOf                                              0              0     0/0.00/0        0/0.00/0
       PartialRetractionOf                                   0              0     0/0.00/0        0/0.00/0
       PartialRetractionIn                                   0              0     0/0.00/0        0/0.00/0
       Cites                                          88,509         1,555,036   0/17.57/694     25/43.82/94
     MeshHeading                                    1,439,371       13,593,806    0/9.44/53      2/18.30/134
       DescriptorName                               1,439,371       13,593,806    0/9.44/53      2/12.82/104
            Descriptor Major                         650,268         1,100,152    0/1.69/29
            Descriptor Not Major                    1,428,853       12,272,056    0/8.59/41
       QualifierName                                1,336,490        6,652,262    0/4.98/42      5/11.19/29
            Qualifier Major                         1,276,572        3,073,071    0/2.41/14
            Qualifier Not Major                     1,056,724        3,579,191    0/3.39/40
       Descriptor and/or Qualifier Major            1,435,928        4,160,448    0/2.90/29
     NumberOfReferences                               48,705           48,705     0/1.00/1        1/2.20/4
     PersonalNameSubject                              11,132           12,474     0/1.12/5       3/10.69/47
       LastName                                       11,132           12,474     0/1.12/5        2/7.39/42
       ForeName                                       10,664           11,912     0/1.12/5        1/2.02/11
       Initials                                       10,663           11,911     0/1.12/5        1/1.42/4
       Suffix                                               82             85     0/1.04/2        2/2.05/3
       LastForeSuffix                                 11,132           12,474     0/1.12/5        3/9.33/45
       LastInitialsSuffix                             11,132           12,474     0/1.12/5        3/8.76/44
     OtherID                                         117,562          132,483     0/1.13/5        1/8.81/14
       NLM Source                                                      88,500
     OtherAbstract
       AbstractText                                   10,194           10,207     0/1.00/2     86/1302.39/4096
       CopyrightInformation                                681            681     0/1.00/1       11/16.99/17
                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length



8/31/2012                                                                                                        20
                  2012 MEDLINE Baseline: Results for 1980 - 1984 Based on Publication Date

     Keyword                                                         17,983   248,248   0/13.80/69        2/16.45/77
       Keyword Major                                                 13,785    91,754   0/6.66/42
       Keyword Not Major                                             17,686   156,494   0/8.85/48
     GeneralNote                                                     18,766    30,132   0/1.61/10         2/35.22/442
     SpaceFlightMission                                                401      1,937   0/4.83/11         6/13.94/25
     InvestigatorList                                                   37
     Investigator: Inclusive (pre-2008 Policy)                          36        43     0/1.19/2         10/29.16/54
       LastName                                                         36        43     0/1.19/2          4/6.51/12
       ForeName                                                         36        42     0/1.17/2          1/2.43/3
       Initials                                                         36        42     0/1.17/2          1/1.69/2
       Suffix                                                             0        0     0/0.00/0          0/0.00/0
       Affiliation                                                      36        43     0/1.19/2         3/18.63/41
       LastForeSuffix                                                   36        43     0/1.19/2          5/8.88/13
       LastInitialsSuffix                                               36        43     0/1.19/2          5/8.16/13
     Investigator: 2008 Policy                                            1       20    0/20.00/20        6/10.90/17
       LastName                                                           1       20    0/20.00/20         3/7.10/12
       ForeName                                                           1       20    0/20.00/20         1/2.20/3
       Initials                                                           1       20    0/20.00/20         1/1.60/2
       Suffix                                                             0        0     0/0.00/0          0/0.00/0
       Affiliation                                                        0        0     0/0.00/0          0/0.00/0
       LastForeSuffix                                                     1       20    0/20.00/20         5/9.30/15
       LastInitialsSuffix                                                 1       20    0/20.00/20         5/8.70/14


     Average Record Size in Bytes                                     1,066


     Words in Title                                              Average        11.07           Max                      90
     Words in Abstract                                           Average       148.07           Max                     875


     AB Size Zero                                                   733,956
     AB Size < 1,000                                                418,735
     AB Size 1,000 - 1,999                                          292,186
     AB Size 2,000 - 2,999                                           16,280
     AB Size 3,000 - 3,999                                             311
     AB Size 4,000 - 4,999                                              11
     AB Size > 5,000                                                      1


     Number of MH Occurrences with NO SHs                       8,148,993
     Number of MH Occurrences with ONE SH                       4,437,904
     Number of MH Occurrences with SHs                          5,444,813
     Number of MH Type=Geographic                                   221,598


     CollectiveName, Author, and Investigator Related Counts
     Citations containing ONLY CollectiveName                                                   1,681
     Citations containing BOTH CollectiveName and Author LastName                                    10
     Citations containing BOTH CollectiveName and Investigator LastName                               1
     Citations containing BOTH Author LastName and Investigator LastName                             37
     Citations containing Investigator LastName and Owned by NASA                                    33




8/31/2012                                                                                                                     21
                 2012 MEDLINE Baseline: Results for 1980 - 1984 Based on Publication Date

     MedlineCitation Status Counts:
      Completed                                                0
      In-Process                                               0
      In-Data-Review                                           0
      PubMed-not-MEDLINE                               22,080
      OLDMEDLINE                                               0
      MEDLINE                                        1,439,400


     Article PubModel Counts:
      Print-Electronic                                         0
      Electronic-Print                                         0
      Print                                          1,461,480
      Electronic                                               0


     JournalIssue CitedMedium Counts:
      Internet                                           1,547
      Print                                          1,459,933


     Owner Counts:
                          Owner              MedlineCitation       GeneralNote       Keyword
       NLM                                           1,444,888                   0              0
       NASA                                               437               177                55
       PIP                                               6,136            12,293          12,035
       KIE                                               3,561            17,662           5,967
       HSR                                                     0                 0              0
       HMD                                               6,458                   0              0
       SIS                                                     0                 0              0
       NOTNLM                                                  0                 0              0


     CitationSubsets Counts:
      AIM                                             179,623
      B                                                        0
      C                                                  2,152
      D                                                51,187
      E                                                  6,964
      F                                                  1,062
      H                                                32,209
      IM                                             1,309,180
      J                                                12,040
      K                                                   195
      N                                                57,169
      OM                                                       0
      Q                                                25,210
      QIS                                                      0
      QO                                                 6,394
      R                                                        1
      S                                                19,388
      T                                                        0
      X                                                  2,781



     Publication Types Counts:



8/31/2012                                                                                           22
                  2012 MEDLINE Baseline: Results for 1980 - 1984 Based on Publication Date

      Addresses                                           1
      Bibliography                                    1,069
      Biography                                      10,790
      Case Reports                                  168,626
      Classical Article                                   2
      Clinical Conference                                 3
      Clinical Trial                                 26,993
      Clinical Trial, Phase I                             0
      Clinical Trial, Phase II                            0
      Clinical Trial, Phase III                           0
      Clinical Trial, Phase IV                            0
      Comment                                            51
      Comparative Study                             138,016
      Congresses                                      1,266
      Consensus Development Conference                   25
      Consensus Development Conference, NIH              24
      Controlled Clinical Trial                       5,333
      Corrected and Republished Article                   0
      Dictionary                                         72
      Directory                                         640
      Duplicate Publication                               3
      Editorial                                      10,406
      English Abstract                              228,597
      Evaluation Studies                                 14
      Festschrift                                         0
      Government Publications                            35
      Guideline                                          26
      Historical Article                             25,255
      In Vitro                                       35,845
      Interview                                       2,153
      Journal Article                              1,390,634
      Lectures                                            0
      Legal Cases                                       253
      Legislation                                        80
      Letter                                         52,199
      Meta-Analysis                                       1
      Multicenter Study                                  10
      News                                            4,307
      Newspaper Article                                 272
      Overall                                            14
      Patient Education Handout                           0
      Periodical Index                                    1
      Portraits                                       2,420
      Practice Guideline                                 18
      Published Erratum                                   0
      Randomized Controlled Trial                    12,809
      Research Support, American Recovery
      and Reinvestment Act                                0
      Research Support, N.I.H., Extramural               92
      Research Support, N.I.H., Intramural                0
      Research Support, Non-U.S. Gov't              257,356
     Publication Types Counts (continued):




8/31/2012                                                                                    23
               2012 MEDLINE Baseline: Results for 1980 - 1984 Based on Publication Date

      Research Support, U.S. Gov't, Non-P.H.S.     46,918
      Research Support, U.S. Gov't, P.H.S.        182,454
      Retracted Publication                            60
      Retraction of Publication                        28
      Review                                       48,705
      Scientific Integrity Review                       0
      Technical Report                                  0
      Twin Study                                        1
      Validation Studies                                1
      Video-Audio Media                                 0
      Webcasts                                          0


     PMID Versioning Counts:
      Version 1                                  1,461,480




8/31/2012                                                                                 24
                   2012 MEDLINE Baseline: Results for 1985 - 1989 Based on Publication Date

                                                                              Min/Avg/Max Min/Avg/Max
                       Element Name             Citations         Occurrences Occurrences   Length
     PMID                                            1,766,429        1,766,429   1/1.00/1       7/7.04/8
     DateCreated                                     1,766,429        1,766,429   1/1.00/1       8/8.00/8
     DateCompleted                                   1,766,429        1,766,429   1/1.00/1       8/8.00/8
     DateRevised                                     1,751,871        1,751,871   0/1.00/1       8/8.00/8
     ISSN                                            1,760,163        1,760,163   0/1.00/1       9/9.00/9
      IssnType=Electronic                                                1,955
      IssnType=Print                                                  1,758,208
     Volume                                          1,710,846        1,710,846   0/1.00/1       1/2.23/38
     Issue                                           1,659,488        1,659,488   0/1.00/1       1/1.42/25
     PubDate                                         1,766,429        1,766,429   1/1.00/1       4/7.17/38
     Title                                           1,766,429        1,766,429   1/1.00/1      2/35.69/346
     ISOAbbreviation                                 1,766,429        1,766,429   1/1.00/1      1/16.50/96
     ArticleTitle                                    1,766,429        1,766,429   1/1.00/1      4/83.44/544
     MedlinePgn                                      1,766,429        1,766,429   1/1.00/1       1/5.45/37
     ELocationID                                              0              0    0/0.00/0       0/0.00/0
       Valid Yes                                                             0
       Valid No                                                              0
       EIdType=doi                                                           0
       EIdType=pii                                                           0
     Abstract
       AbstractText                                  1,071,291        1,071,291   0/1.00/1    50/1036.62/6040
       CopyrightInformation                             1,889            1,889    0/1.00/1       7/7.78/47
       Identified as Structured Abstract                    737
     Affiliation                                      591,256          591,256    0/1.00/1      4/76.68/479
     Author                                          1,727,163        5,399,503   0/3.13/77     3/10.42/183
       Valid Yes                                                      5,399,279
       Valid No                                                            224
       LastName                                      1,724,003        5,396,267   0/3.13/77      1/6.98/39
       ForeName                                      1,723,558        5,393,416   0/3.13/77      1/1.94/18
       Initials                                      1,723,558        5,393,416   0/3.13/77      1/1.47/6
       Suffix                                          38,183           40,465    0/1.06/5       2/2.19/3
       CollectiveName                                   3,182            3,236    0/1.02/4      4/32.61/183
       LastForeSuffix                                1,724,003        5,396,267   0/3.13/77      2/8.94/42
       LastInitialsSuffix                            1,724,003        5,396,267   0/3.13/77      2/8.47/41
     Language                                        1,766,429        1,768,121   1/1.00/3       3/3.00/3
     Grant                                            205,827          341,813    0/1.66/16     21/35.83/61
       GrantID                                        203,011          338,919    0/1.67/16      1/8.60/34
       Acronym                                        197,897          329,473    0/1.66/16      2/2.00/2
       Agency                                         205,827          341,813    0/1.66/16     3/12.36/38
       Country                                        205,827          341,813    0/1.66/16     6/13.01/14
     DataBank                                          12,801           12,834    0/1.00/3      7/18.94/247
       DataBankName                                    12,801           12,834    0/1.00/3       3/6.98/9
       AccessionNumber                                 12,801           25,546    0/2.00/40      4/6.01/10
     PublicationType                                 1,766,429        3,349,740   1/1.90/8      4/18.19/40
     ArticleDate                                              0              0    0/0.00/0       0/0.00/0
     VernacularTitle                                  318,888          318,888    0/1.00/1      4/82.80/457
     Country                                         1,766,429        1,766,429   1/1.00/1       4/9.99/28
     MedlineTA                                       1,766,429        1,766,429   1/1.00/1      1/15.37/96
     NlmUniqueID                                     1,766,429        1,766,429   1/1.00/1       7/7.11/9




8/31/2012                                                                                                       25
                  2012 MEDLINE Baseline: Results for 1985 - 1989 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length
     ISSNLinking                                    1,751,171        1,751,171    0/1.00/1        9/9.00/9
     Chemical                                        939,555         3,213,535    0/3.42/38      4/20.37/204
       RegistryNumber                                939,555         3,213,535    0/3.42/38       1/4.91/13
       NameOfSubstance                               939,555         3,213,535    0/3.42/38      2/15.45/194
     SupplMeshName                                     2,448             3,166    0/1.29/7       6/13.26/26
       Type=Disease                                          0              0     0/0.00/0        0/0.00/0
       Type=Protocol                                   2,448             3,166    0/1.29/7       6/13.26/26
     CitationSubset                                 1,743,743        2,076,992    0/1.19/5        1/1.97/3
     GeneSymbol                                            174            428     0/2.46/25       1/4.70/17
     CommentsCorrections                             129,758         2,195,751   0/16.92/800    16/44.02/232
       RetractionOf                                         42             59     0/1.40/4      54/88.36/232
       RetractionIn                                         71             74     0/1.04/2      32/68.93/158
       SummaryForPatientsIn                                  0              0     0/0.00/0        0/0.00/0
       OriginalReportIn                                      0              0     0/0.00/0        0/0.00/0
       CommentOn                                       5,886             6,051    0/1.03/3       30/43.55/76
       CommentIn                                      11,303           12,555     0/1.11/6       28/43.19/77
       ErratumIn                                       8,386             8,467    0/1.01/4      16/36.14/120
       ErratumFor                                            2              2     0/1.00/1       39/43.00/47
       ReprintIn                                            25             25     0/1.00/1       42/46.12/52
       ReprintOf                                             0              0     0/0.00/0        0/0.00/0
       RepublishedFrom                                      52             52     0/1.00/1      27/39.96/110
       RepublishedIn                                         4              4     0/1.00/1       41/49.25/63
       UpdateIn                                              2              2     0/1.00/1       53/53.50/54
       UpdateOf                                              0              0     0/0.00/0        0/0.00/0
       PartialRetractionOf                                   0              0     0/0.00/0        0/0.00/0
       PartialRetractionIn                                   0              0     0/0.00/0        0/0.00/0
       Cites                                         107,212         2,168,460   0/20.23/800    24/44.05/129
     MeshHeading                                    1,743,701       16,729,844    0/9.59/64      2/18.93/140
       DescriptorName                               1,743,701       16,729,844    0/9.59/64      2/13.29/104
            Descriptor Major                         822,040         1,450,795    0/1.76/34
            Descriptor Not Major                    1,736,359       15,001,463    0/8.64/63
       QualifierName                                1,623,404        8,411,181    0/5.18/54      5/11.22/29
            Qualifier Major                         1,554,727        3,875,443    0/2.49/14
            Qualifier Not Major                     1,268,498        4,535,738    0/3.58/52
       Descriptor and/or Qualifier Major            1,740,427        5,312,048    0/3.05/34
     NumberOfReferences                              116,920          116,920     0/1.00/1        1/2.10/4
     PersonalNameSubject                              11,309           12,843     0/1.14/8       3/10.68/38
       LastName                                       11,309           12,843     0/1.14/8        2/7.40/38
       ForeName                                       10,837           12,238     0/1.13/8        1/2.01/14
       Initials                                       10,836           12,237     0/1.13/8        1/1.42/3
       Suffix                                               92             96     0/1.04/2        2/2.09/3
       LastForeSuffix                                 11,309           12,843     0/1.14/8        3/9.33/38
       LastInitialsSuffix                             11,309           12,843     0/1.14/8        3/8.77/38
     OtherID                                         142,350          160,868     0/1.13/5        3/8.80/14
       NLM Source                                                     107,953
     OtherAbstract
       AbstractText                                   11,029           11,052     0/1.00/2     75/1311.70/4034
       CopyrightInformation                                520            520     0/1.00/1       11/16.87/17
                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length



8/31/2012                                                                                                        26
                  2012 MEDLINE Baseline: Results for 1985 - 1989 Based on Publication Date

     Keyword                                                         22,930   326,322   0/14.23/74         2/16.55/96
       Keyword Major                                                 15,105   133,663   0/8.85/50
       Keyword Not Major                                             22,905   192,659   0/8.41/48
     GeneralNote                                                     22,359    41,706   0/1.87/11          2/36.39/704
     SpaceFlightMission                                                402      1,808   0/4.50/11          6/14.20/23
     InvestigatorList                                                 1,019
     Investigator: Inclusive (pre-2008 Policy)                        1,017     1,166    0/1.15/4          9/31.86/89
       LastName                                                       1,017     1,166    0/1.15/4           3/6.83/14
       ForeName                                                       1,016     1,165    0/1.15/4           1/2.66/3
       Initials                                                       1,016     1,165    0/1.15/4           1/1.80/2
       Suffix                                                             0        0     0/0.00/0           0/0.00/0
       Affiliation                                                    1,017     1,166    0/1.15/4          3/20.57/79
       LastForeSuffix                                                 1,017     1,166    0/1.15/4           4/9.49/15
       LastInitialsSuffix                                             1,017     1,166    0/1.15/4           4/8.63/15
     Investigator: 2008 Policy                                            2       96    0/48.00/57          6/9.93/19
       LastName                                                           2       96    0/48.00/57          4/7.61/17
       ForeName                                                           2       96    0/48.00/57          1/1.21/3
       Initials                                                           2       96    0/48.00/57          1/1.10/2
       Suffix                                                             0        0     0/0.00/0           0/0.00/0
       Affiliation                                                        0        0     0/0.00/0           0/0.00/0
       LastForeSuffix                                                     2       96    0/48.00/57          5/8.82/18
       LastInitialsSuffix                                                 2       96    0/48.00/57          5/8.72/18


     Average Record Size in Bytes                                     1,265


     Words in Title                                              Average        11.46           Max                       94
     Words in Abstract                                           Average       158.96           Max                      998


     AB Size Zero                                                   695,138
     AB Size < 1,000                                                546,150
     AB Size 1,000 - 1,999                                          490,403
     AB Size 2,000 - 2,999                                           34,634
     AB Size 3,000 - 3,999                                              99
     AB Size 4,000 - 4,999                                                3
     AB Size > 5,000                                                      2


     Number of MH Occurrences with NO SHs                      10,169,081
     Number of MH Occurrences with ONE SH                       5,054,892
     Number of MH Occurrences with SHs                          6,560,763
     Number of MH Type=Geographic                                   277,586


     CollectiveName, Author, and Investigator Related Counts
     Citations containing ONLY CollectiveName                                                   3,160
     Citations containing BOTH CollectiveName and Author LastName                                     22
     Citations containing BOTH CollectiveName and Investigator LastName                                2
     Citations containing BOTH Author LastName and Investigator LastName                        1,010
     Citations containing Investigator LastName and Owned by NASA                                    889




8/31/2012                                                                                                                      27
                 2012 MEDLINE Baseline: Results for 1985 - 1989 Based on Publication Date

     MedlineCitation Status Counts:
      Completed                                                0
      In-Process                                               0
      In-Data-Review                                           0
      PubMed-not-MEDLINE                               22,686
      OLDMEDLINE                                               0
      MEDLINE                                        1,743,743


     Article PubModel Counts:
      Print-Electronic                                         0
      Electronic-Print                                         0
      Print                                          1,766,429
      Electronic                                               0


     JournalIssue CitedMedium Counts:
      Internet                                           1,955
      Print                                          1,764,474


     Owner Counts:
                          Owner              MedlineCitation       GeneralNote       Keyword
       NLM                                           1,747,090                   0             0
       NASA                                              1,303              656            1,079
       PIP                                               8,110            14,995          13,267
       KIE                                               3,783            26,055           8,653
       HSR                                                     0                 0             0
       HMD                                               6,143                   0             0
       SIS                                                     0                 0             0
       NOTNLM                                                  0                 0             0


     CitationSubsets Counts:
      AIM                                             211,782
      B                                                    21
      C                                                  1,929
      D                                                65,509
      E                                                  8,924
      F                                                  1,211
      H                                                33,947
      IM                                             1,588,696
      J                                                13,277
      K                                                   168
      N                                                69,185
      OM                                                       0
      Q                                                26,061
      QIS                                                      0
      QO                                                 5,927
      R                                                        0
      S                                                23,708
      T                                                        0
      X                                                26,647



     Publication Types Counts:



8/31/2012                                                                                          28
                  2012 MEDLINE Baseline: Results for 1985 - 1989 Based on Publication Date

      Addresses                                           3
      Bibliography                                    1,348
      Biography                                      11,217
      Case Reports                                  190,585
      Classical Article                                 293
      Clinical Conference                                19
      Clinical Trial                                 42,629
      Clinical Trial, Phase I                             1
      Clinical Trial, Phase II                            2
      Clinical Trial, Phase III                           0
      Clinical Trial, Phase IV                            0
      Comment                                         5,886
      Comparative Study                             166,493
      Congresses                                        596
      Consensus Development Conference                  251
      Consensus Development Conference, NIH              44
      Controlled Clinical Trial                      10,674
      Corrected and Republished Article                  52
      Dictionary                                         65
      Directory                                         693
      Duplicate Publication                              50
      Editorial                                      15,437
      English Abstract                              260,991
      Evaluation Studies                                  2
      Festschrift                                         3
      Government Publications                            44
      Guideline                                         289
      Historical Article                             26,261
      In Vitro                                       49,762
      Interview                                       2,777
      Journal Article                              1,657,327
      Lectures                                            6
      Legal Cases                                       598
      Legislation                                     1,117
      Letter                                         80,401
      Meta-Analysis                                       1
      Multicenter Study                               1,835
      News                                            7,718
      Newspaper Article                                 562
      Overall                                           135
      Patient Education Handout                           0
      Periodical Index                                   10
      Portraits                                       4,108
      Practice Guideline                                202
      Published Erratum                                   2
      Randomized Controlled Trial                    22,057
      Research Support, American Recovery
      and Reinvestment Act                                0
      Research Support, N.I.H., Extramural               22
      Research Support, N.I.H., Intramural                0
      Research Support, Non-U.S. Gov't              398,298
     Publication Types Counts (continued):




8/31/2012                                                                                    29
               2012 MEDLINE Baseline: Results for 1985 - 1989 Based on Publication Date

      Research Support, U.S. Gov't, Non-P.H.S.     58,899
      Research Support, U.S. Gov't, P.H.S.        212,657
      Retracted Publication                            71
      Retraction of Publication                        42
      Review                                      116,924
      Scientific Integrity Review                       0
      Technical Report                                  1
      Twin Study                                        0
      Validation Studies                                2
      Video-Audio Media                                 0
      Webcasts                                          0


     PMID Versioning Counts:
      Version 1                                  1,766,429




8/31/2012                                                                                 30
                   2012 MEDLINE Baseline: Results for 1990 - 1994 Based on Publication Date

                                                                              Min/Avg/Max Min/Avg/Max
                       Element Name             Citations         Occurrences Occurrences   Length
     PMID                                            1,998,892        1,998,892   1/1.00/1       7/7.05/8
     DateCreated                                     1,998,892        1,998,892   1/1.00/1       8/8.00/8
     DateCompleted                                   1,998,892        1,998,892   1/1.00/1       8/8.00/8
     DateRevised                                     1,980,090        1,980,090   0/1.00/1       8/8.00/8
     ISSN                                            1,990,484        1,990,484   0/1.00/1       9/9.00/9
      IssnType=Electronic                                                2,406
      IssnType=Print                                                  1,988,078
     Volume                                          1,953,634        1,953,634   0/1.00/1       1/2.34/38
     Issue                                           1,879,634        1,879,634   0/1.00/1       1/1.45/25
     PubDate                                         1,998,892        1,998,892   1/1.00/1       4/7.28/23
     Title                                           1,998,892        1,998,892   1/1.00/1      2/36.99/595
     ISOAbbreviation                                 1,998,892        1,998,892   1/1.00/1      2/16.21/96
     ArticleTitle                                    1,998,892        1,998,892   1/1.00/1     2/86.14/1050
     MedlinePgn                                      1,998,892        1,998,892   1/1.00/1       1/5.62/41
     ELocationID                                              3              3    0/1.00/1       0/0.00/0
       Valid Yes                                                             3
       Valid No                                                              0
       EIdType=doi                                                           3
       EIdType=pii                                                           0
     Abstract
       AbstractText                                  1,444,625        1,444,625   0/1.00/1    50/1114.56/5191
       CopyrightInformation                             2,801            2,801    0/1.00/1      7/17.38/79
       Identified as Structured Abstract               55,915
     Affiliation                                     1,592,014        1,592,014   0/1.00/1      4/76.42/480
     Author                                          1,956,416        6,637,260   0/3.39/97     2/10.31/186
       Valid Yes                                                      6,636,961
       Valid No                                                            299
       LastName                                      1,954,591        6,635,334   0/3.39/97      1/6.93/51
       ForeName                                      1,954,298        6,632,305   0/3.39/97      1/1.90/19
       Initials                                      1,954,298        6,632,305   0/3.39/97      1/1.45/6
       Suffix                                          39,930           42,013    0/1.05/5       2/2.22/3
       CollectiveName                                   1,906            1,926    0/1.01/4      4/41.36/186
       LastForeSuffix                                1,954,591        6,635,334   0/3.39/97      2/8.85/54
       LastInitialsSuffix                            1,954,591        6,635,334   0/3.39/97      2/8.40/52
     Language                                        1,998,892        2,002,184   1/1.00/4       3/3.00/3
     Grant                                            243,310          395,553    0/1.63/18     21/35.76/58
       GrantID                                        233,626          385,460    0/1.65/18      1/8.75/32
       Acronym                                        227,751          374,859    0/1.65/18      2/2.00/2
       Agency                                         243,310          395,553    0/1.63/18     3/12.31/38
       Country                                        243,310          395,553    0/1.63/18     6/13.02/14
     DataBank                                          33,124           33,294    0/1.01/4      7/36.02/189
       DataBankName                                    33,124           33,294    0/1.01/4       3/6.98/9
       AccessionNumber                                 33,124          161,082    0/4.86/30      2/6.00/10
     PublicationType                                 1,998,892        3,990,442   1/2.00/10     4/18.01/40
     ArticleDate                                            142            142    0/1.00/1       8/8.00/8
     VernacularTitle                                  259,723          259,723    0/1.00/1      4/82.42/498
     Country                                         1,998,892        1,998,892   1/1.00/1       4/9.92/28
     MedlineTA                                       1,998,892        1,998,892   1/1.00/1      2/14.99/96
     NlmUniqueID                                     1,998,892        1,998,892   1/1.00/1       7/7.09/9




8/31/2012                                                                                                       31
                  2012 MEDLINE Baseline: Results for 1990 - 1994 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length
     ISSNLinking                                    1,981,422        1,981,422     0/1.00/1        9/9.00/9
     Chemical                                       1,102,236        4,088,022    0/3.71/38       4/21.04/239
       RegistryNumber                               1,102,236        4,088,022    0/3.71/38        1/4.70/13
       NameOfSubstance                              1,102,236        4,088,022    0/3.71/38       2/16.34/228
     SupplMeshName                                     2,817             3,668     0/1.30/6       9/13.54/43
       Type=Disease                                          0              0      0/0.00/0        0/0.00/0
       Type=Protocol                                   2,817             3,668     0/1.30/6       9/13.54/43
     CitationSubset                                 1,974,376        2,368,447     0/1.20/5        1/1.96/3
     GeneSymbol                                       49,778          106,709     0/2.14/25        1/4.51/41
     CommentsCorrections                             254,244         3,224,813   0/12.68/1795     9/44.06/192
       RetractionOf                                         99            108      0/1.09/3      52/88.52/162
       RetractionIn                                        144            148      0/1.03/2      27/68.22/166
       SummaryForPatientsIn                                  0              0      0/0.00/0        0/0.00/0
       OriginalReportIn                                      0              0      0/0.00/0        0/0.00/0
       CommentOn                                      67,880           73,452     0/1.08/10       27/44.09/86
       CommentIn                                      61,711           77,311     0/1.25/20       26/44.19/93
       ErratumIn                                      14,823           15,118      0/1.02/3       9/36.33/192
       ErratumFor                                          541            544      0/1.01/3       30/44.83/86
       ReprintIn                                            35             35      0/1.00/1       39/48.09/59
       ReprintOf                                             1              1      0/1.00/1       49/49.00/49
       RepublishedFrom                                     226            228      0/1.01/2       19/39.42/70
       RepublishedIn                                        86             88      0/1.02/2       30/45.03/69
       UpdateIn                                             13             13      0/1.00/1       47/49.08/53
       UpdateOf                                              0              0      0/0.00/0        0/0.00/0
       PartialRetractionOf                                   0              0      0/0.00/0        0/0.00/0
       PartialRetractionIn                                   0              0      0/0.00/0        0/0.00/0
       Cites                                         129,417         3,057,767   0/23.63/1795    22/44.09/129
     MeshHeading                                    1,974,277       20,819,972    0/10.55/64      2/20.19/144
       DescriptorName                               1,974,277       20,819,972    0/10.55/64      2/13.98/104
            Descriptor Major                         923,982         1,606,606    0/1.74/32
            Descriptor Not Major                    1,967,593       18,863,197    0/9.59/46
       QualifierName                                1,871,071       11,400,495    0/6.09/50       5/11.34/29
            Qualifier Major                         1,801,019        4,860,987    0/2.70/21
            Qualifier Not Major                     1,568,270        6,539,508    0/4.17/48
       Descriptor and/or Qualifier Major            1,972,188        6,369,825    0/3.23/32
     NumberOfReferences                              213,175          213,175      0/1.00/1        1/2.06/4
     PersonalNameSubject                              12,692           15,039      0/1.18/9       4/10.62/33
       LastName                                       12,692           15,039      0/1.18/9        2/7.28/33
       ForeName                                       12,164           14,356      0/1.18/9        1/2.07/18
       Initials                                       12,164           14,356      0/1.18/9        1/1.41/4
       Suffix                                              124            128      0/1.03/2        2/2.11/3
       LastForeSuffix                                 12,692           15,039      0/1.18/9        3/9.27/33
       LastInitialsSuffix                             12,692           15,039      0/1.18/9        3/8.64/33
     OtherID                                         169,376          190,909      0/1.13/5        1/8.67/34
       NLM Source                                                     134,785
     OtherAbstract
       AbstractText                                   12,198           12,202      0/1.00/2     60/1571.06/3738
       CopyrightInformation                                385            385      0/1.00/1       11/16.44/17
                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length



8/31/2012                                                                                                         32
                  2012 MEDLINE Baseline: Results for 1990 - 1994 Based on Publication Date

     Keyword                                                         32,386   395,906   0/12.22/79        2/16.74/100
       Keyword Major                                                 18,410   128,075   0/6.96/35
       Keyword Not Major                                             32,366   267,831   0/8.28/50
     GeneralNote                                                     30,780    65,028   0/2.11/21         2/34.42/491
     SpaceFlightMission                                                688      3,260   0/4.74/11         6/13.88/25
     InvestigatorList                                                 2,186
     Investigator: Inclusive (pre-2008 Policy)                        2,182     2,571    0/1.18/5         9/32.95/96
       LastName                                                       2,182     2,571    0/1.18/5          3/6.68/14
       ForeName                                                       2,181     2,568    0/1.18/5          1/2.68/3
       Initials                                                       2,181     2,568    0/1.18/5          1/1.83/2
       Suffix                                                             3        3     0/1.00/1          2/2.33/3
       Affiliation                                                    2,182     2,571    0/1.18/5         3/21.77/83
       LastForeSuffix                                                 2,182     2,571    0/1.18/5          4/9.36/16
       LastInitialsSuffix                                             2,182     2,571    0/1.18/5          4/8.51/15
     Investigator: 2008 Policy                                            4      104    0/26.00/31         5/9.59/14
       LastName                                                           4      104    0/26.00/31         3/7.21/12
       ForeName                                                           4      104    0/26.00/31         1/1.25/3
       Initials                                                           4      104    0/26.00/31         1/1.12/2
       Suffix                                                             0        0     0/0.00/0          0/0.00/0
       Affiliation                                                        0        0     0/0.00/0          0/0.00/0
       LastForeSuffix                                                     4      104    0/26.00/31         4/8.46/13
       LastInitialsSuffix                                                 4      104    0/26.00/31         4/8.34/13


     Average Record Size in Bytes                                     1,536


     Words in Title                                              Average        11.86           Max                     165
     Words in Abstract                                           Average       170.98           Max                     874


     AB Size Zero                                                   554,267
     AB Size < 1,000                                                641,238
     AB Size 1,000 - 1,999                                          739,445
     AB Size 2,000 - 2,999                                           62,823
     AB Size 3,000 - 3,999                                            1,080
     AB Size 4,000 - 4,999                                              38
     AB Size > 5,000                                                      1


     Number of MH Occurrences with NO SHs                      12,530,175
     Number of MH Occurrences with ONE SH                       5,844,587
     Number of MH Occurrences with SHs                          8,289,797
     Number of MH Type=Geographic                                   350,169


     CollectiveName, Author, and Investigator Related Counts
     Citations containing ONLY CollectiveName                                                   1,825
     Citations containing BOTH CollectiveName and Author LastName                                    81
     Citations containing BOTH CollectiveName and Investigator LastName                               4
     Citations containing BOTH Author LastName and Investigator LastName                        2,170
     Citations containing Investigator LastName and Owned by NASA                               1,237




8/31/2012                                                                                                                     33
                 2012 MEDLINE Baseline: Results for 1990 - 1994 Based on Publication Date

     MedlineCitation Status Counts:
      Completed                                                0
      In-Process                                               0
      In-Data-Review                                           0
      PubMed-not-MEDLINE                               24,516
      OLDMEDLINE                                               0
      MEDLINE                                        1,974,376


     Article PubModel Counts:
      Print-Electronic                                    142
      Electronic-Print                                         0
      Print                                          1,998,750
      Electronic                                               0


     JournalIssue CitedMedium Counts:
      Internet                                           2,359
      Print                                          1,996,533


     Owner Counts:
                          Owner              MedlineCitation       GeneralNote       Keyword
       NLM                                           1,977,285                   0             0
       NASA                                              2,150             1,058           2,352
       PIP                                               8,855            15,634          15,375
       KIE                                               5,619            48,336          14,830
       HSR                                                     8                 0             0
       HMD                                               4,975                   0             0
       SIS                                                     0                 0             0
       NOTNLM                                                  0                 0             0


     CitationSubsets Counts:
      AIM                                             233,593
      B                                                  5,951
      C                                                  1,828
      D                                                51,344
      E                                                15,231
      F                                                  2,396
      H                                                40,413
      IM                                             1,805,392
      J                                                15,392
      K                                                   357
      N                                                80,114
      OM                                                       0
      Q                                                24,790
      QIS                                                      1
      QO                                                 2,855
      R                                                        0
      S                                                30,678
      T                                                  5,536
      X                                                52,576



     Publication Types Counts:



8/31/2012                                                                                          34
                  2012 MEDLINE Baseline: Results for 1990 - 1994 Based on Publication Date

      Addresses                                          30
      Bibliography                                    1,900
      Biography                                      12,546
      Case Reports                                  195,174
      Classical Article                                 958
      Clinical Conference                             1,410
      Clinical Trial                                 67,167
      Clinical Trial, Phase I                         1,006
      Clinical Trial, Phase II                        1,475
      Clinical Trial, Phase III                         335
      Clinical Trial, Phase IV                           36
      Comment                                        67,880
      Comparative Study                             218,248
      Congresses                                     10,572
      Consensus Development Conference                1,078
      Consensus Development Conference, NIH             191
      Controlled Clinical Trial                       9,531
      Corrected and Republished Article                 226
      Dictionary                                         69
      Directory                                         910
      Duplicate Publication                             205
      Editorial                                      33,234
      English Abstract                              207,869
      Evaluation Studies                                 91
      Festschrift                                       321
      Government Publications                            29
      Guideline                                       3,515
      Historical Article                             25,633
      In Vitro                                       55,469
      Interview                                       3,696
      Journal Article                              1,816,449
      Lectures                                           25
      Legal Cases                                     1,167
      Legislation                                       131
      Letter                                        112,900
      Meta-Analysis                                   1,687
      Multicenter Study                              11,242
      News                                           16,788
      Newspaper Article                                 568
      Overall                                         7,789
      Patient Education Handout                           0
      Periodical Index                                  114
      Portraits                                       4,626
      Practice Guideline                              1,511
      Published Erratum                                 542
      Randomized Controlled Trial                    39,272
      Research Support, American Recovery
      and Reinvestment Act                                0
      Research Support, N.I.H., Extramural              110
      Research Support, N.I.H., Intramural                0
      Research Support, Non-U.S. Gov't              525,687
     Publication Types Counts (continued):




8/31/2012                                                                                    35
               2012 MEDLINE Baseline: Results for 1990 - 1994 Based on Publication Date

      Research Support, U.S. Gov't, Non-P.H.S.     66,906
      Research Support, U.S. Gov't, P.H.S.        247,816
      Retracted Publication                           144
      Retraction of Publication                        99
      Review                                      213,180
      Scientific Integrity Review                       5
      Technical Report                                301
      Twin Study                                       84
      Validation Studies                               76
      Video-Audio Media                                 0
      Webcasts                                          0


     PMID Versioning Counts:
      Version 1                                  1,998,892




8/31/2012                                                                                 36
                   2012 MEDLINE Baseline: Results for 1995 - 1999 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name             Citations        Occurrences Occurrences   Length
     PMID                                            2,203,123       2,203,123    1/1.00/1       7/7.26/8
     DateCreated                                     2,203,123       2,203,123    1/1.00/1       8/8.00/8
     DateCompleted                                   2,203,123       2,203,123    1/1.00/1       8/8.00/8
     DateRevised                                     2,178,631       2,178,631    0/1.00/1       8/8.00/8
     ISSN                                            2,191,145       2,191,145    0/1.00/1       9/9.00/9
      IssnType=Electronic                                               7,343
      IssnType=Print                                                 2,183,802
     Volume                                          2,169,190       2,169,190    0/1.00/1       1/2.37/28
     Issue                                           2,083,239       2,083,239    0/1.00/1       1/1.45/25
     PubDate                                         2,203,123       2,203,123    1/1.00/1       4/7.41/35
     Title                                           2,203,123       2,203,123    1/1.00/1      2/38.85/379
     ISOAbbreviation                                 2,203,123       2,203,123    1/1.00/1      1/16.36/66
     ArticleTitle                                    2,203,123       2,203,123    1/1.00/1      4/89.61/511
     MedlinePgn                                      2,203,123       2,203,123    1/1.00/1       1/5.74/45
     ELocationID                                            44             44     0/1.00/1       0/0.00/0
       Valid Yes                                                           44
       Valid No                                                             0
       EIdType=doi                                                         44
       EIdType=pii                                                          0
     Abstract
       AbstractText                                  1,646,807       1,646,807    0/1.00/1    50/1259.85/9915
       CopyrightInformation                            31,159          31,159     0/1.00/1      7/32.73/96
       Identified as Structured Abstract              245,294
     Affiliation                                     1,833,898       1,833,898    0/1.00/1      1/86.68/358
     Author                                          2,158,729       8,139,970   0/3.77/230     2/10.15/173
       Valid Yes                                                     8,139,223
       Valid No                                                           747
       LastName                                      2,157,158       8,138,265   0/3.77/230      1/6.89/41
       ForeName                                      2,156,837       8,134,940   0/3.77/230      1/1.83/18
       Initials                                      2,156,837       8,134,940   0/3.77/230      1/1.41/6
       Suffix                                          39,003          40,970     0/1.05/5       2/2.24/3
       CollectiveName                                   1,674           1,705     0/1.02/4      3/46.58/173
       LastForeSuffix                                2,157,158       8,138,265   0/3.77/230      2/8.73/42
       LastInitialsSuffix                            2,157,158       8,138,265   0/3.77/230      2/8.31/42
     Language                                        2,203,123       2,206,884    1/1.00/3       3/3.00/3
     Grant                                            263,128         430,187    0/1.63/20      21/35.72/76
       GrantID                                        248,212         414,355    0/1.67/20       1/8.83/30
       Acronym                                        241,604         402,222    0/1.66/20       2/2.00/2
       Agency                                         263,128         430,187    0/1.63/20      3/12.31/54
       Country                                        263,128         430,187    0/1.63/20      5/13.04/14
     DataBank                                          53,171          53,875     0/1.01/4      6/31.62/535
       DataBankName                                    53,171          53,875     0/1.01/4       3/6.82/9
       AccessionNumber                                 53,171         200,261    0/3.77/66       3/6.67/10
     PublicationType                                 2,203,123       4,497,841    1/2.04/9      4/18.22/40
     ArticleDate                                        1,027           1,027     0/1.00/1       8/8.00/8
     VernacularTitle                                  209,926         209,926     0/1.00/1      4/83.54/486
     Country                                         2,203,123       2,203,123    1/1.00/1      4/10.00/25
     MedlineTA                                       2,203,123       2,203,123    1/1.00/1      1/15.08/66
     NlmUniqueID                                     2,203,123       2,203,123    1/1.00/1       7/7.10/9




8/31/2012                                                                                                       37
                  2012 MEDLINE Baseline: Results for 1995 - 1999 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length
     ISSNLinking                                    2,180,268        2,180,268     0/1.00/1        9/9.00/9
     Chemical                                       1,234,695        5,308,553    0/4.30/45       4/21.69/244
       RegistryNumber                               1,234,695        5,308,553    0/4.30/45        1/4.27/13
       NameOfSubstance                              1,234,695        5,308,553    0/4.30/45       2/17.42/243
     SupplMeshName                                     2,727             3,506     0/1.29/6       7/13.45/43
       Type=Disease                                          0              0      0/0.00/0        0/0.00/0
       Type=Protocol                                   2,727             3,506     0/1.29/6       7/13.45/43
     CitationSubset                                 2,175,954        2,597,280     0/1.19/5        1/1.96/3
     GeneSymbol                                        9,549           19,047     0/1.99/25        1/4.51/24
     CommentsCorrections                             292,360         4,012,600   0/13.72/4881     9/44.26/365
       RetractionOf                                        153            181      0/1.18/8      45/95.15/344
       RetractionIn                                        199            199      0/1.00/1      36/69.76/214
       SummaryForPatientsIn                                  2              2      0/1.00/1       44/45.00/46
       OriginalReportIn                                      0              0      0/0.00/0        0/0.00/0
       CommentOn                                      85,961           95,731     0/1.11/22       27/44.73/86
       CommentIn                                      77,182           99,603     0/1.29/27      26/45.33/104
       ErratumIn                                      15,404           15,649      0/1.02/3       9/37.13/365
       ErratumFor                                          324            325      0/1.00/2       32/45.89/70
       ReprintIn                                            63             65      0/1.03/2       39/51.48/82
       ReprintOf                                             0              0      0/0.00/0        0/0.00/0
       RepublishedFrom                                     350            350      0/1.00/1       27/46.03/75
       RepublishedIn                                       357            360      0/1.01/2       26/46.13/75
       UpdateIn                                              4              5      0/1.25/2       49/53.20/58
       UpdateOf                                             46             46      0/1.00/1       49/52.26/53
       PartialRetractionOf                                   0              0      0/0.00/0        0/0.00/0
       PartialRetractionIn                                   4              4      0/1.00/1      70/104.50/160
       Cites                                         134,148         3,800,080   0/28.33/4881    23/44.25/129
     MeshHeading                                    2,175,800       24,897,366    0/11.44/57      2/20.84/154
       DescriptorName                               2,175,800       24,897,366    0/11.44/57      2/14.46/104
            Descriptor Major                        1,091,513        1,905,513    0/1.75/22
            Descriptor Not Major                    2,170,353       22,582,982    0/10.41/48
       QualifierName                                2,078,347       14,028,339    0/6.75/55       5/11.33/29
            Qualifier Major                         1,998,653        5,895,890    0/2.95/21
            Qualifier Not Major                     1,741,155        8,132,449    0/4.67/55
       Descriptor and/or Qualifier Major            2,174,358        7,512,970    0/3.46/22
     NumberOfReferences                              273,492          273,492      0/1.00/1        1/2.04/4
     PersonalNameSubject                              13,938           16,982      0/1.22/9       3/10.53/34
       LastName                                       13,938           16,982      0/1.22/9        2/7.31/34
       ForeName                                       13,270           16,063      0/1.21/9        1/1.99/14
       Initials                                       13,270           16,063      0/1.21/9        1/1.40/4
       Suffix                                               71             74      0/1.04/2        2/2.15/3
       LastForeSuffix                                 13,938           16,982      0/1.22/9        3/9.20/34
       LastInitialsSuffix                             13,938           16,982      0/1.22/9        3/8.64/34
     OtherID                                         186,891          211,344      0/1.13/4        1/8.70/16
       NLM Source                                                     155,248
     OtherAbstract
       AbstractText                                   17,028           17,028      0/1.00/1     67/1152.07/4084
       CopyrightInformation                                 84             84      0/1.00/1       11/15.93/17
                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length



8/31/2012                                                                                                         38
                  2012 MEDLINE Baseline: Results for 1995 - 1999 Based on Publication Date

     Keyword                                                         35,796   327,587    0/9.15/53         2/17.03/116
       Keyword Major                                                 16,958    96,312    0/5.68/21
       Keyword Not Major                                             35,777   231,275    0/6.46/40
     GeneralNote                                                     32,334    70,574    0/2.18/32         2/33.11/499
     SpaceFlightMission                                               1,176     5,355    0/4.55/12         6/14.01/28
     InvestigatorList                                                 2,876
     Investigator: Inclusive (pre-2008 Policy)                        2,867     3,254    0/1.13/6          9/28.77/62
       LastName                                                       2,867     3,254    0/1.13/6           3/6.70/16
       ForeName                                                       2,862     3,249    0/1.14/6           1/2.72/3
       Initials                                                       2,862     3,249    0/1.14/6           1/1.86/2
       Suffix                                                             2        2     0/1.00/1           2/2.00/2
       Affiliation                                                    2,867     3,254    0/1.13/6          3/17.49/51
       LastForeSuffix                                                 2,867     3,254    0/1.13/6           4/9.42/18
       LastInitialsSuffix                                             2,867     3,254    0/1.13/6           4/8.56/17
     Investigator: 2008 Policy                                            9      271    0/30.11/124        5/10.01/38
       LastName                                                           9      271    0/30.11/124         3/7.32/15
       ForeName                                                           9      271    0/30.11/124         1/1.33/3
       Initials                                                           9      271    0/30.11/124         1/1.17/2
       Suffix                                                             0        0     0/0.00/0           0/0.00/0
       Affiliation                                                        2        2     0/1.00/1          26/26.00/26
       LastForeSuffix                                                     9      271    0/30.11/124         4/8.66/16
       LastInitialsSuffix                                                 9      271    0/30.11/124         4/8.49/16


     Average Record Size in Bytes                                     1,735


     Words in Title                                              Average        12.36            Max                      93
     Words in Abstract                                           Average       192.11            Max                    1,537


     AB Size Zero                                                   556,316
     AB Size < 1,000                                                553,771
     AB Size 1,000 - 1,999                                          959,279
     AB Size 2,000 - 2,999                                          125,425
     AB Size 3,000 - 3,999                                            7,864
     AB Size 4,000 - 4,999                                             452
     AB Size > 5,000                                                    16


     Number of MH Occurrences with NO SHs                      14,994,893
     Number of MH Occurrences with ONE SH                       6,718,229
     Number of MH Occurrences with SHs                          9,902,473
     Number of MH Type=Geographic                                   408,871


     CollectiveName, Author, and Investigator Related Counts
     Citations containing ONLY CollectiveName                                                   1,571
     Citations containing BOTH CollectiveName and Author LastName                                    103
     Citations containing BOTH CollectiveName and Investigator LastName                                7
     Citations containing BOTH Author LastName and Investigator LastName                        2,856
     Citations containing Investigator LastName and Owned by NASA                               1,100




8/31/2012                                                                                                                       39
                 2012 MEDLINE Baseline: Results for 1995 - 1999 Based on Publication Date

     MedlineCitation Status Counts:
      Completed                                                0
      In-Process                                               0
      In-Data-Review                                           0
      PubMed-not-MEDLINE                               27,169
      OLDMEDLINE                                               0
      MEDLINE                                        2,175,954


     Article PubModel Counts:
      Print-Electronic                                    424
      Electronic-Print                                         0
      Print                                          2,202,096
      Electronic                                          603


     JournalIssue CitedMedium Counts:
      Internet                                           7,322
      Print                                          2,195,801


     Owner Counts:
                          Owner              MedlineCitation       GeneralNote       Keyword
       NLM                                           2,178,974                   2             0
       NASA                                              3,468             1,283           4,373
       PIP                                               8,036            14,133          13,841
       KIE                                               6,026            55,151          17,672
       HSR                                                246                    5             0
       HMD                                               6,373                   0             0
       SIS                                                     0                 0             0
       NOTNLM                                                  0                 0             0


     CitationSubsets Counts:
      AIM                                             244,542
      B                                                  4,472
      C                                                   927
      D                                                44,480
      E                                                17,968
      F                                                   981
      H                                                41,643
      IM                                             2,000,645
      J                                                13,875
      K                                                  2,319
      N                                                83,473
      OM                                                       0
      Q                                                28,233
      QIS                                                      0
      QO                                                       0
      R                                                        0
      S                                                37,738
      T                                                  9,273
      X                                                66,711



     Publication Types Counts:



8/31/2012                                                                                          40
                  2012 MEDLINE Baseline: Results for 1995 - 1999 Based on Publication Date

      Addresses                                         952
      Bibliography                                    2,110
      Biography                                      13,703
      Case Reports                                  202,888
      Classical Article                                 905
      Clinical Conference                             1,510
      Clinical Trial                                106,980
      Clinical Trial, Phase I                         2,555
      Clinical Trial, Phase II                        3,858
      Clinical Trial, Phase III                         969
      Clinical Trial, Phase IV                           52
      Comment                                        85,961
      Comparative Study                             228,449
      Congresses                                     12,578
      Consensus Development Conference                1,364
      Consensus Development Conference, NIH              97
      Controlled Clinical Trial                      14,706
      Corrected and Republished Article                 350
      Dictionary                                         71
      Directory                                       1,133
      Duplicate Publication                             148
      Editorial                                      43,706
      English Abstract                              171,228
      Evaluation Studies                                527
      Festschrift                                       253
      Government Publications                            21
      Guideline                                       3,975
      Historical Article                             29,758
      In Vitro                                       39,270
      Interview                                       3,778
      Journal Article                              1,988,252
      Lectures                                        1,425
      Legal Cases                                     1,440
      Legislation                                        48
      Letter                                        120,633
      Meta-Analysis                                   2,887
      Multicenter Study                              20,160
      News                                           23,201
      Newspaper Article                               6,167
      Overall                                         6,168
      Patient Education Handout                           2
      Periodical Index                                  103
      Portraits                                       6,122
      Practice Guideline                              2,962
      Published Erratum                                 327
      Randomized Controlled Trial                    53,222
      Research Support, American Recovery
      and Reinvestment Act                                0
      Research Support, N.I.H., Extramural              193
      Research Support, N.I.H., Intramural                0
      Research Support, Non-U.S. Gov't              677,297
     Publication Types Counts (continued):




8/31/2012                                                                                    41
               2012 MEDLINE Baseline: Results for 1995 - 1999 Based on Publication Date

      Research Support, U.S. Gov't, Non-P.H.S.     71,376
      Research Support, U.S. Gov't, P.H.S.        266,303
      Retracted Publication                           202
      Retraction of Publication                       153
      Review                                      273,512
      Scientific Integrity Review                      33
      Technical Report                                353
      Twin Study                                      883
      Validation Studies                               88
      Video-Audio Media                                 0
      Webcasts                                          0


     PMID Versioning Counts:
      Version 1                                  2,203,123




8/31/2012                                                                                 42
                   2012 MEDLINE Baseline: Results for 2000 - 2004 Based on Publication Date

                                                                              Min/Avg/Max Min/Avg/Max
                       Element Name             Citations         Occurrences Occurrences   Length
     PMID                                            2,747,453        2,747,453     1/1.00/1        8/8.00/8
     DateCreated                                     2,747,453        2,747,453     1/1.00/1        8/8.00/8
     DateCompleted                                   2,747,453        2,747,453     1/1.00/1        8/8.00/8
     DateRevised                                     2,580,201        2,580,201     0/1.00/1        8/8.00/8
     ISSN                                            2,738,846        2,738,846     0/1.00/1        9/9.00/9
      IssnType=Electronic                                              126,079
      IssnType=Print                                                  2,612,767
     Volume                                          2,706,046        2,706,046     0/1.00/1        1/2.33/27
     Issue                                           2,628,321        2,628,321     0/1.00/1        1/1.48/27
     PubDate                                         2,747,453        2,747,453     1/1.00/1        4/7.47/23
     Title                                           2,747,453        2,747,453     1/1.00/1       2/40.31/379
     ISOAbbreviation                                 2,747,452        2,747,452     0/1.00/1       2/16.68/68
     ArticleTitle                                    2,747,453        2,747,453     1/1.00/1      4/91.45/1086
     MedlinePgn                                      2,747,453        2,747,453     1/1.00/1        1/5.95/69
     ELocationID                                            120            121      0/1.01/2        0/0.00/0
       Valid Yes                                                           121
       Valid No                                                              0
       EIdType=doi                                                          26
       EIdType=pii                                                          95
     Abstract
       AbstractText                                  2,166,321        2,166,321     0/1.00/1     50/1287.69/9996
       CopyrightInformation                           141,268          141,268      0/1.00/1       1/37.60/335
       Identified as Structured Abstract              459,213
     Affiliation                                     2,385,005        2,385,005     0/1.00/1      4/109.52/412
     Author                                          2,705,356       11,185,629    0/4.13/744      1/12.64/375
       Valid Yes                                                     11,183,281
       Valid No                                                           2,348
       LastName                                      2,700,084       11,156,284    0/4.13/743      1/6.80/163
       ForeName                                      2,699,726       11,151,601    0/4.13/743       1/4.35/56
       Initials                                      2,699,726       11,151,600    0/4.13/743       1/1.40/8
       Suffix                                          39,240           41,400      0/1.06/5        2/2.27/3
       CollectiveName                                  27,130           29,345     0/1.08/25       1/44.68/375
       LastForeSuffix                                2,700,084       11,156,284    0/4.13/743      1/11.16/163
       LastInitialsSuffix                            2,700,084       11,156,284    0/4.13/743      1/8.20/163
     Language                                        2,747,453        2,753,598     1/1.00/3        3/3.00/3
     Grant                                            283,892          548,151     0/1.93/57       21/36.57/80
       GrantID                                        283,730          547,894     0/1.93/57        2/9.37/31
       Acronym                                        276,587          533,759     0/1.93/57        2/2.00/2
       Agency                                         283,892          548,151     0/1.93/57       3/12.25/54
       Country                                        283,892          548,151     0/1.93/57       5/13.00/14
     DataBank                                          40,653           41,749      0/1.03/4      6/95.92/47047
       DataBankName                                    40,653           41,749      0/1.03/4        3/6.24/9
       AccessionNumber                                 40,653          477,763    0/11.75/5880      3/7.84/14
     PublicationType                                 2,747,453        5,661,535    1/2.06/10       4/18.41/40
     ArticleDate                                      172,404          172,404      0/1.00/1        8/8.00/8
     VernacularTitle                                  208,713          208,713      0/1.00/1       1/84.33/614
     Country                                         2,747,453        2,747,453     1/1.00/1       4/10.01/28
     MedlineTA                                       2,747,453        2,747,453     1/1.00/1       2/15.41/68
     NlmUniqueID                                     2,747,453        2,747,453     1/1.00/1        7/7.26/9




8/31/2012                                                                                                          43
                  2012 MEDLINE Baseline: Results for 2000 - 2004 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length
     ISSNLinking                                    2,719,803        2,719,803     0/1.00/1        9/9.00/9
     Chemical                                       1,537,748        6,973,495    0/4.53/57       4/21.74/245
       RegistryNumber                               1,537,748        6,973,495    0/4.53/57        1/4.06/14
       NameOfSubstance                              1,537,748        6,973,495    0/4.53/57       2/17.69/244
     SupplMeshName                                     3,009             3,612    0/1.20/10       9/13.44/43
       Type=Disease                                          2              2      0/1.00/1       25/25.00/25
       Type=Protocol                                   3,007             3,610    0/1.20/10       9/13.44/43
     CitationSubset                                 2,637,669        2,985,400     0/1.13/4        1/2.00/3
     GeneSymbol                                              0              0      0/0.00/0        0/0.00/0
     CommentsCorrections                             374,320         5,166,202   0/13.80/1035    17/45.10/611
       RetractionOf                                        210            234      0/1.11/8      37/94.56/332
       RetractionIn                                        458            462      0/1.01/2      31/68.28/341
       SummaryForPatientsIn                                271            277      0/1.02/3       29/45.59/55
       OriginalReportIn                                    271            279      0/1.03/3       33/48.09/68
       CommentOn                                     111,751          127,131     0/1.14/25       19/46.10/98
       CommentIn                                     100,374          126,669     0/1.26/28      26/49.78/105
       ErratumIn                                      22,220           22,549      0/1.01/3      17/41.21/611
       ErratumFor                                           82             86      0/1.05/3       33/49.67/79
       ReprintIn                                           250            259      0/1.04/2       36/52.32/92
       ReprintOf                                            65             66      0/1.02/2       40/48.79/71
       RepublishedFrom                                     414            416      0/1.00/2       22/46.62/79
       RepublishedIn                                       412            412      0/1.00/1       33/47.34/80
       UpdateIn                                        2,777             2,803     0/1.01/2       34/48.67/57
       UpdateOf                                        1,528             1,528     0/1.00/1       31/46.09/53
       PartialRetractionOf                                   3              3      0/1.00/1      70/148.00/198
       PartialRetractionIn                                  12             12      0/1.00/1      43/83.83/172
       Cites                                         161,412         4,883,016   0/30.25/1035    22/44.96/102
     MeshHeading                                    2,637,453       31,137,945    0/11.81/58      2/21.50/193
       DescriptorName                               2,637,453       31,137,945    0/11.81/58      2/14.74/104
            Descriptor Major                        1,303,909        2,226,964    0/1.71/15
            Descriptor Not Major                    2,632,022       28,392,224    0/10.79/54
       QualifierName                                2,549,144       18,676,886    0/7.33/64       5/11.26/29
            Qualifier Major                         2,466,479        7,774,751    0/3.15/24
            Qualifier Not Major                     2,156,256       10,902,135    0/5.06/63
       Descriptor and/or Qualifier Major            2,636,455        9,424,851    0/3.57/19
     NumberOfReferences                              354,223          354,223      0/1.00/1        1/2.09/4
     PersonalNameSubject                              15,535           19,590     0/1.26/28       3/13.61/56
       LastName                                       15,535           19,590     0/1.26/28        2/7.20/50
       ForeName                                       14,994           18,844     0/1.26/28        1/5.25/41
       Initials                                       14,992           18,841     0/1.26/28        1/1.39/5
       Suffix                                              146            152      0/1.04/3        2/2.13/3
       LastForeSuffix                                 15,535           19,590     0/1.26/28       3/12.27/54
       LastInitialsSuffix                             15,535           19,590     0/1.26/28        3/8.56/50
     OtherID                                         209,708          225,090      0/1.07/5        2/9.08/15
       NLM Source                                                     194,399
     OtherAbstract
       AbstractText                                        784            784      0/1.00/1     63/1034.51/3403
       CopyrightInformation                                  0              0      0/0.00/0        0/0.00/0
                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length



8/31/2012                                                                                                         44
                  2012 MEDLINE Baseline: Results for 2000 - 2004 Based on Publication Date

     Keyword                                                         25,032   62,500    0/2.50/42         2/23.00/123
       Keyword Major                                                  1,929    6,662    0/3.45/12
       Keyword Not Major                                             25,030   55,838    0/2.23/33
     GeneralNote                                                     21,474   39,681    0/1.85/16         3/29.38/389
     SpaceFlightMission                                                927     4,276    0/4.61/12         6/13.61/28
     InvestigatorList                                                 2,517
     Investigator: Inclusive (pre-2008 Policy)                        2,480    2,848    0/1.15/6          9/31.40/68
       LastName                                                       2,480    2,848    0/1.15/6           2/6.68/16
       ForeName                                                       2,479    2,847    0/1.15/6           1/2.73/9
       Initials                                                       2,479    2,847    0/1.15/6           1/1.86/2
       Suffix                                                           10       10     0/1.00/1           2/2.20/3
       Affiliation                                                    2,479    2,847    0/1.15/6          3/20.13/58
       LastForeSuffix                                                 2,480    2,848    0/1.15/6           3/9.41/19
       LastInitialsSuffix                                             2,480    2,848    0/1.15/6           3/8.54/18
     Investigator: 2008 Policy                                          37     3,055   0/82.57/495        4/12.26/55
       LastName                                                         37     3,055   0/82.57/495         2/7.15/23
       ForeName                                                         37     3,055   0/82.57/495         1/3.87/23
       Initials                                                         37     3,055   0/82.57/495         1/1.13/5
       Suffix                                                             7      10     0/1.43/3           2/2.30/3
       Affiliation                                                      13       13     0/1.00/1          8/24.62/43
       LastForeSuffix                                                   37     3,055   0/82.57/495        3/11.03/32
       LastInitialsSuffix                                               37     3,055   0/82.57/495         3/8.29/24


     Average Record Size in Bytes                                     1,856


     Words in Title                                              Average       12.58            Max                     249
     Words in Abstract                                           Average      194.46            Max                    1,626


     AB Size Zero                                                   581,132
     AB Size < 1,000                                                668,180
     AB Size 1,000 - 1,999                                      1,327,469
     AB Size 2,000 - 2,999                                          159,442
     AB Size 3,000 - 3,999                                            9,627
     AB Size 4,000 - 4,999                                            1,110
     AB Size > 5,000                                                   493


     Number of MH Occurrences with NO SHs                      18,282,059
     Number of MH Occurrences with ONE SH                       8,421,857
     Number of MH Occurrences with SHs                         12,855,886
     Number of MH Type=Geographic                                   518,757


     CollectiveName, Author, and Investigator Related Counts
     Citations containing ONLY CollectiveName                                                  5,272
     Citations containing BOTH CollectiveName and Author LastName                             21,858
     Citations containing BOTH CollectiveName and Investigator LastName                              28
     Citations containing BOTH Author LastName and Investigator LastName                       2,507
     Citations containing Investigator LastName and Owned by NASA                                   593




8/31/2012                                                                                                                      45
                 2012 MEDLINE Baseline: Results for 2000 - 2004 Based on Publication Date

     MedlineCitation Status Counts:
      Completed                                                0
      In-Process                                               0
      In-Data-Review                                           0
      PubMed-not-MEDLINE                              109,784
      OLDMEDLINE                                               0
      MEDLINE                                        2,637,669


     Article PubModel Counts:
      Print-Electronic                                161,004
      Electronic-Print                                    780
      Print                                          2,575,049
      Electronic                                       10,620


     JournalIssue CitedMedium Counts:
      Internet                                        126,272
      Print                                          2,621,181


     Owner Counts:
                          Owner              MedlineCitation       GeneralNote       Keyword
       NLM                                           2,729,093               17                  0
       NASA                                              2,643              970            4,518
       PIP                                                413               931                914
       KIE                                               5,676            37,744          19,601
       HSR                                               3,011               19                  0
       HMD                                               6,617                   0               0
       SIS                                                     0                 0               0
       NOTNLM                                                  0                 0               0


     CitationSubsets Counts:
      AIM                                             254,143
      B                                                        0
      C                                                        0
      D                                                48,828
      E                                                20,177
      F                                                        0
      H                                                35,560
      IM                                             2,480,337
      J                                                   922
      K                                                  8,292
      N                                                74,410
      OM                                                       0
      Q                                                10,830
      QIS                                                 135
      QO                                                       0
      R                                                        8
      S                                                18,934
      T                                                12,874
      X                                                19,950



     Publication Types Counts:



8/31/2012                                                                                            46
                  2012 MEDLINE Baseline: Results for 2000 - 2004 Based on Publication Date

      Addresses                                       1,457
      Bibliography                                    2,127
      Biography                                      15,804
      Case Reports                                  219,851
      Classical Article                               1,453
      Clinical Conference                             1,381
      Clinical Trial                                116,445
      Clinical Trial, Phase I                         2,902
      Clinical Trial, Phase II                        4,459
      Clinical Trial, Phase III                       1,432
      Clinical Trial, Phase IV                          140
      Comment                                       111,751
      Comparative Study                             279,865
      Congresses                                     12,855
      Consensus Development Conference                1,807
      Consensus Development Conference, NIH             115
      Controlled Clinical Trial                      12,135
      Corrected and Republished Article                 414
      Dictionary                                         44
      Directory                                         813
      Duplicate Publication                             250
      Editorial                                      58,984
      English Abstract                              191,752
      Evaluation Studies                             52,697
      Festschrift                                       349
      Government Publications                             2
      Guideline                                       5,175
      Historical Article                             35,466
      In Vitro                                       37,950
      Interview                                       3,476
      Journal Article                              2,494,127
      Lectures                                        1,963
      Legal Cases                                     3,104
      Legislation                                        27
      Letter                                        126,215
      Meta-Analysis                                   5,758
      Multicenter Study                              29,573
      News                                           39,456
      Newspaper Article                               5,049
      Overall                                         5,529
      Patient Education Handout                       1,306
      Periodical Index                                   73
      Portraits                                       7,622
      Practice Guideline                              4,199
      Published Erratum                                  85
      Randomized Controlled Trial                    63,253
      Research Support, American Recovery
      and Reinvestment Act                                0
      Research Support, N.I.H., Extramural            4,087
      Research Support, N.I.H., Intramural               10
      Research Support, Non-U.S. Gov't              913,261
     Publication Types Counts (continued):




8/31/2012                                                                                    47
               2012 MEDLINE Baseline: Results for 2000 - 2004 Based on Publication Date

      Research Support, U.S. Gov't, Non-P.H.S.     99,303
      Research Support, U.S. Gov't, P.H.S.        307,052
      Retracted Publication                           468
      Retraction of Publication                       213
      Review                                      354,229
      Scientific Integrity Review                      49
      Technical Report                                539
      Twin Study                                    1,271
      Validation Studies                           19,708
      Video-Audio Media                                 6
      Webcasts                                          0


     PMID Versioning Counts:
      Version 1                                  2,747,453




8/31/2012                                                                                 48
                   2012 MEDLINE Baseline: Results for 2005 - 2009 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name             Citations        Occurrences Occurrences   Length
     PMID                                            3,485,519       3,485,519     1/1.00/1        8/8.00/8
     DateCreated                                     3,485,519       3,485,519     1/1.00/1        8/8.00/8
     DateCompleted                                   3,485,519       3,485,519     1/1.00/1        8/8.00/8
     DateRevised                                     1,619,892       1,619,892     0/1.00/1        8/8.00/8
     ISSN                                            3,478,782       3,478,782     0/1.00/1        9/9.00/9
      IssnType=Electronic                                            1,102,362
      IssnType=Print                                                 2,376,420
     Volume                                          3,440,823       3,440,823     0/1.00/1        1/2.29/26
     Issue                                           3,308,317       3,308,317     0/1.00/1        1/1.44/24
     PubDate                                         3,485,519       3,485,519     1/1.00/1        4/7.38/23
     Title                                           3,485,519       3,485,519     1/1.00/1       2/41.29/285
     ISOAbbreviation                                 3,485,519       3,485,519     1/1.00/1       2/16.86/61
     ArticleTitle                                    3,485,519       3,485,519     1/1.00/1       4/94.54/854
     MedlinePgn                                      3,483,277       3,483,277     0/1.00/1        1/6.04/65
     ELocationID                                       20,838          25,284      0/1.21/2        0/0.00/0
       Valid Yes                                                       25,284
       Valid No                                                             0
       EIdType=doi                                                       8,858
       EIdType=pii                                                     16,426
     Abstract
       AbstractText                                  2,890,526       2,890,526     0/1.00/1     50/1304.93/9992
       CopyrightInformation                            94,243          94,243      0/1.00/1       1/34.67/225
       Identified as Structured Abstract              758,165
     Affiliation                                     3,088,371       3,088,371     0/1.00/1      4/115.33/480
     Author                                          3,449,985      15,953,642    0/4.62/657      1/14.16/500
       Valid Yes                                                    15,947,171
       Valid No                                                          6,471
       LastName                                      3,443,704      15,906,201    0/4.62/656       1/6.67/98
       ForeName                                      3,443,379      15,902,078    0/4.62/656       1/6.01/74
       Initials                                      3,443,378      15,902,076    0/4.62/656       1/1.39/8
       Suffix                                          44,250          46,333      0/1.05/6        2/2.28/3
       CollectiveName                                  42,791          47,441     0/1.11/29       1/41.38/500
       LastForeSuffix                                3,443,704      15,906,201    0/4.62/656      1/12.69/98
       LastInitialsSuffix                            3,443,704      15,906,201    0/4.62/656       1/8.07/98
     Language                                        3,485,519       3,495,238     1/1.00/3        3/3.00/3
     Grant                                            419,238        1,110,431    0/2.65/146      21/38.94/88
       GrantID                                        396,819        1,074,604    0/2.71/146      1/11.60/50
       Acronym                                        374,305        1,029,820    0/2.75/146       2/2.00/2
       Agency                                         419,238        1,110,431    0/2.65/146      3/12.84/54
       Country                                        419,238        1,110,431    0/2.65/146      5/13.02/14
     DataBank                                          44,326          45,447      0/1.03/4     5/200.60/26751
       DataBankName                                    44,326          45,447      0/1.03/4        3/7.30/18
       AccessionNumber                                 44,326        1,101,889   0/24.86/3343      2/7.97/14
     PublicationType                                 3,485,519       7,117,506    1/2.04/10       4/19.07/56
     ArticleDate                                     1,242,630       1,242,630     0/1.00/1        8/8.00/8
     VernacularTitle                                  174,012         174,012      0/1.00/1       3/81.50/447
     Country                                         3,485,519       3,485,519     1/1.00/1       4/10.07/25
     MedlineTA                                       3,485,519       3,485,519     1/1.00/1       2/15.71/61
     NlmUniqueID                                     3,485,519       3,485,519     1/1.00/1        7/7.43/9




8/31/2012                                                                                                         49
                  2012 MEDLINE Baseline: Results for 2005 - 2009 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length
     ISSNLinking                                    3,437,736        3,437,736     0/1.00/1        9/9.00/9
     Chemical                                       1,894,663        7,797,571    0/4.12/50      4/21.44/250
       RegistryNumber                               1,894,663        7,797,571    0/4.12/50       1/3.95/14
       NameOfSubstance                              1,894,663        7,797,571    0/4.12/50      2/17.49/249
     SupplMeshName                                     3,274             3,865     0/1.18/5       5/14.04/57
       Type=Disease                                        115            116      0/1.01/2       6/27.90/57
       Type=Protocol                                   3,159             3,749     0/1.19/5       5/13.61/43
     CitationSubset                                 3,280,011        3,609,905     0/1.10/4        1/2.01/3
     GeneSymbol                                              0              0      0/0.00/0        0/0.00/0
     CommentsCorrections                             659,977        13,340,273   0/20.21/2229    8/45.81/835
       RetractionOf                                        827            876     0/1.06/10      25/94.76/315
       RetractionIn                                        817            824      0/1.01/2      29/59.13/340
       SummaryForPatientsIn                                535            543      0/1.01/2      32/45.00/62
       OriginalReportIn                                    506            543      0/1.07/3      32/47.64/65
       CommentOn                                     145,223          157,544     0/1.08/27      8/46.31/215
       CommentIn                                     126,381          156,106     0/1.24/57      25/50.51/125
       ErratumIn                                      35,273           35,881      0/1.02/5      17/47.45/835
       ErratumFor                                           96            108      0/1.12/7      8/48.58/104
       ReprintIn                                       1,115             1,126     0/1.01/3      27/50.45/80
       ReprintOf                                       1,221             1,226     0/1.00/4      26/49.15/148
       RepublishedFrom                                     273            274      0/1.00/2      34/48.74/85
       RepublishedIn                                       274            274      0/1.00/1      33/48.81/89
       UpdateIn                                            669            672      0/1.00/2      33/51.52/59
       UpdateOf                                        1,417             1,417     0/1.00/1      33/50.64/100
       PartialRetractionOf                                  25             26      0/1.04/2     32/106.42/211
       PartialRetractionIn                                  15             15      0/1.00/1      36/76.27/199
       Cites                                         389,509        12,982,818   0/33.33/2229    23/45.73/127
     MeshHeading                                    3,279,163       38,635,887    0/11.78/54     2/21.66/204
       DescriptorName                               3,279,163       38,635,887    0/11.78/54     2/14.77/104
            Descriptor Major                        1,621,486        2,815,242    0/1.74/13
            Descriptor Not Major                    3,272,486       35,161,639    0/10.74/53
       QualifierName                                3,178,487       23,724,189    0/7.46/70       5/11.21/29
            Qualifier Major                         3,096,484       10,238,777    0/3.31/30
            Qualifier Not Major                     2,658,344       13,485,412    0/5.07/68
       Descriptor and/or Qualifier Major            3,278,441       12,277,780    0/3.75/29
     NumberOfReferences                              403,372          403,372      0/1.00/1        1/2.14/8
     PersonalNameSubject                              15,731           19,221     0/1.22/15       3/15.78/55
       LastName                                       15,731           19,221     0/1.22/15       2/7.16/50
       ForeName                                       15,398           18,738     0/1.22/15       1/7.48/48
       Initials                                       15,396           18,736     0/1.22/15        1/1.35/6
       Suffix                                              153            159      0/1.04/3        2/2.13/3
       LastForeSuffix                                 15,731           19,221     0/1.22/15       3/14.46/53
       LastInitialsSuffix                             15,731           19,221     0/1.22/15       3/8.49/50
     OtherID                                         437,795          547,977      0/1.25/4       4/10.03/34
       NLM Source                                                     541,961
     OtherAbstract
       AbstractText                                         11             11      0/1.00/1     180/490.00/892
       CopyrightInformation                                  0              0      0/0.00/0        0/0.00/0
                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length



8/31/2012                                                                                                        50
                  2012 MEDLINE Baseline: Results for 2005 - 2009 Based on Publication Date

     Keyword                                                          5,076    10,201    0/2.01/10          5/25.84/95
       Keyword Major                                                   246       275      0/1.12/3
       Keyword Not Major                                              5,075     9,926    0/1.96/10
     GeneralNote                                                      7,179    10,038     0/1.40/4          5/31.83/671
     SpaceFlightMission                                                 86       408      0/4.74/9          6/13.32/23
     InvestigatorList                                                 7,074
     Investigator: Inclusive (pre-2008 Policy)                         369       424      0/1.15/3          7/32.53/65
       LastName                                                        369       424      0/1.15/3           2/6.48/15
       ForeName                                                        369       424      0/1.15/3           1/2.59/5
       Initials                                                        369       424      0/1.15/3           1/1.79/2
       Suffix                                                             1        1      0/1.00/1           2/2.00/2
       Affiliation                                                     369       424      0/1.15/3          3/21.66/51
       LastForeSuffix                                                  369       424      0/1.15/3           3/9.08/16
       LastInitialsSuffix                                              369       424      0/1.15/3           3/8.28/16
     Investigator: 2008 Policy                                        6,705   376,179   0/56.10/1725        2/12.17/66
       LastName                                                       6,705   376,179   0/56.10/1725         1/7.05/66
       ForeName                                                       6,682   372,080   0/55.68/1725         1/3.98/34
       Initials                                                       6,682   372,080   0/55.68/1725         1/1.19/6
       Suffix                                                          536       932     0/1.74/20           2/2.30/3
       Affiliation                                                        0        0      0/0.00/0           0/0.00/0
       LastForeSuffix                                                 6,705   376,179   0/56.10/1725        2/10.99/66
       LastInitialsSuffix                                             6,705   376,179   0/56.10/1725         2/8.24/66


     Average Record Size in Bytes                                     2,031


     Words in Title                                              Average        12.97            Max                      125
     Words in Abstract                                           Average       195.59            Max                     1,669


     AB Size Zero                                                   594,993
     AB Size < 1,000                                                813,502
     AB Size 1,000 - 1,999                                      1,876,584
     AB Size 2,000 - 2,999                                          189,389
     AB Size 3,000 - 3,999                                            9,317
     AB Size 4,000 - 4,999                                            1,192
     AB Size > 5,000                                                   542


     Number of MH Occurrences with NO SHs                      22,423,257
     Number of MH Occurrences with ONE SH                      10,531,656
     Number of MH Occurrences with SHs                         16,212,630
     Number of MH Type=Geographic                                   659,006


     CollectiveName, Author, and Investigator Related Counts
     Citations containing ONLY CollectiveName                                                    6,281
     Citations containing BOTH CollectiveName and Author LastName                               36,510
     Citations containing BOTH CollectiveName and Investigator LastName                          6,701
     Citations containing BOTH Author LastName and Investigator LastName                         6,609
     Citations containing Investigator LastName and Owned by NASA                                      59




8/31/2012                                                                                                                        51
                 2012 MEDLINE Baseline: Results for 2005 - 2009 Based on Publication Date

     MedlineCitation Status Counts:
      Completed                                                0
      In-Process                                               0
      In-Data-Review                                           0
      PubMed-not-MEDLINE                              205,508
      OLDMEDLINE                                               0
      MEDLINE                                        3,280,011


     Article PubModel Counts:
      Print-Electronic                               1,152,346
      Electronic-Print                                   2,588
      Print                                          2,241,141
      Electronic                                       89,444


     JournalIssue CitedMedium Counts:
      Internet                                       1,111,091
      Print                                          2,374,428


     Owner Counts:
                          Owner              MedlineCitation       GeneralNote       Keyword
       NLM                                           3,479,578             2,230                 0
       NASA                                               253               348                482
       PIP                                                     0                 0               0
       KIE                                               1,763             7,434           4,594
       HSR                                               3,088               26                  0
       HMD                                                837                    0               0
       SIS                                                     0                 0               0
       NOTNLM                                                  0                 0               0


     CitationSubsets Counts:
      AIM                                             250,145
      B                                                        0
      C                                                    60
      D                                                58,621
      E                                                  8,673
      F                                                        0
      H                                                34,519
      IM                                             3,125,133
      J                                                        0
      K                                                  8,144
      N                                                83,252
      OM                                                       0
      Q                                                  2,477
      QIS                                                3,257
      QO                                                       0
      R                                                        0
      S                                                  7,790
      T                                                15,130
      X                                                12,704



     Publication Types Counts:



8/31/2012                                                                                            52
                  2012 MEDLINE Baseline: Results for 2005 - 2009 Based on Publication Date

      Addresses                                       1,060
      Bibliography                                    1,679
      Biography                                      15,988
      Case Reports                                  263,674
      Classical Article                               1,325
      Clinical Conference                             1,424
      Clinical Trial                                 50,903
      Clinical Trial, Phase I                         3,577
      Clinical Trial, Phase II                        5,991
      Clinical Trial, Phase III                       2,453
      Clinical Trial, Phase IV                          284
      Comment                                       145,224
      Comparative Study                             288,256
      Congresses                                     11,399
      Consensus Development Conference                2,183
      Consensus Development Conference, NIH             150
      Controlled Clinical Trial                      11,284
      Corrected and Republished Article                 273
      Dictionary                                         45
      Directory                                         273
      Duplicate Publication                             275
      Editorial                                      81,608
      English Abstract                              221,182
      Evaluation Studies                             77,658
      Festschrift                                       273
      Government Publications                             8
      Guideline                                       1,668
      Historical Article                             37,284
      In Vitro                                       28,651
      Interview                                       4,432
      Journal Article                              3,186,734
      Lectures                                        1,486
      Legal Cases                                     2,304
      Legislation                                        10
      Letter                                        150,482
      Meta-Analysis                                  12,974
      Multicenter Study                              52,390
      News                                           35,207
      Newspaper Article                               3,995
      Overall                                         4,693
      Patient Education Handout                       1,622
      Periodical Index                                   15
      Portraits                                       7,601
      Practice Guideline                              5,125
      Published Erratum                                 107
      Randomized Controlled Trial                    82,466
      Research Support, American Recovery
      and Reinvestment Act                                2
      Research Support, N.I.H., Extramural          361,499
      Research Support, N.I.H., Intramural           16,502
      Research Support, Non-U.S. Gov't             1,282,216
     Publication Types Counts (continued):




8/31/2012                                                                                    53
               2012 MEDLINE Baseline: Results for 2005 - 2009 Based on Publication Date

      Research Support, U.S. Gov't, Non-P.H.S.    134,385
      Research Support, U.S. Gov't, P.H.S.         72,145
      Retracted Publication                           832
      Retraction of Publication                       852
      Review                                      404,441
      Scientific Integrity Review                      51
      Technical Report                                662
      Twin Study                                    2,003
      Validation Studies                           23,252
      Video-Audio Media                               499
      Webcasts                                         79


     PMID Versioning Counts:
      Version 1                                  3,485,519




8/31/2012                                                                                 54
                   2012 MEDLINE Baseline: Results for 2010 - 2011 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name             Citations        Occurrences Occurrences   Length
     PMID                                            1,242,789       1,242,789     1/1.00/1        8/8.00/8
     DateCreated                                     1,242,789       1,242,789     1/1.00/1        8/8.00/8
     DateCompleted                                   1,242,789       1,242,789     1/1.00/1        8/8.00/8
     DateRevised                                      259,478         259,478      0/1.00/1        8/8.00/8
     ISSN                                            1,241,076       1,241,076     0/1.00/1        9/9.00/9
      IssnType=Electronic                                            1,031,987
      IssnType=Print                                                  209,089
     Volume                                          1,233,673       1,233,673     0/1.00/1        1/2.28/28
     Issue                                           1,162,941       1,162,941     0/1.00/1        1/1.37/24
     PubDate                                         1,242,789       1,242,789     1/1.00/1        4/7.28/23
     Title                                           1,242,789       1,242,789     1/1.00/1       3/40.22/285
     ISOAbbreviation                                 1,242,766       1,242,766     0/1.00/1       3/16.66/61
     ArticleTitle                                    1,242,789       1,242,789     1/1.00/1       4/96.89/941
     MedlinePgn                                      1,239,064       1,239,064     0/1.00/1       1/5.90/156
     ELocationID                                      103,863         110,044      0/1.06/2        0/0.00/0
       Valid Yes                                                      110,044
       Valid No                                                             0
       EIdType=doi                                                     92,810
       EIdType=pii                                                     17,234
     Abstract
       AbstractText                                  1,047,734       1,047,734     0/1.00/1     50/1328.51/9952
       CopyrightInformation                           305,902         305,902      0/1.00/1       1/57.41/422
       Identified as Structured Abstract              298,220
     Affiliation                                     1,107,206       1,107,206     0/1.00/1      4/116.02/496
     Author                                          1,233,071       6,144,799   0/4.98/3173      1/14.29/292
       Valid Yes                                                     6,142,796
       Valid No                                                         2,003
       LastName                                      1,231,396       6,128,139   0/4.98/3172      1/6.58/132
       ForeName                                      1,231,224       6,126,237   0/4.98/3172       1/6.25/49
       Initials                                      1,231,224       6,126,235   0/4.98/3172       1/1.39/7
       Suffix                                          14,311          14,986      0/1.05/7        2/2.29/3
       CollectiveName                                  15,181          16,660     0/1.10/15       1/42.07/292
       LastForeSuffix                                1,231,396       6,128,139   0/4.98/3172      1/12.83/147
       LastInitialsSuffix                            1,231,396       6,128,139   0/4.98/3172      1/7.97/134
     Language                                        1,242,789       1,246,810     1/1.00/3        3/3.00/3
     Grant                                            169,272         515,284     0/3.04/216      21/40.10/94
       GrantID                                        151,757         486,584     0/3.21/216      2/12.25/39
       Acronym                                        136,860         456,589     0/3.34/216       2/2.00/2
       Agency                                         169,272         515,284     0/3.04/216      3/13.89/54
       Country                                        169,272         515,284     0/3.04/216      5/12.87/14
     DataBank                                          19,630          19,885      0/1.01/3     6/190.78/12007
       DataBankName                                    19,630          19,885      0/1.01/3        3/9.22/18
       AccessionNumber                                 19,630         447,017    0/22.77/1000      3/8.08/14
     PublicationType                                 1,242,789       2,476,427     1/1.99/9       4/19.45/56
     ArticleDate                                      657,187         657,187      0/1.00/1        8/8.00/8
     VernacularTitle                                   45,723          45,723      0/1.00/1       2/81.96/398
     Country                                         1,242,789       1,242,789     1/1.00/1       4/10.02/25
     MedlineTA                                       1,242,789       1,242,789     1/1.00/1       3/15.57/61
     NlmUniqueID                                     1,242,789       1,242,789     1/1.00/1        7/7.55/9




8/31/2012                                                                                                         55
                  2012 MEDLINE Baseline: Results for 2010 - 2011 Based on Publication Date

                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length
     ISSNLinking                                    1,213,355        1,213,355     0/1.00/1       9/9.00/9
     Chemical                                        656,142         2,632,895    0/4.01/41      4/21.35/249
       RegistryNumber                                656,142         2,632,895    0/4.01/41       1/3.87/14
       NameOfSubstance                               656,142         2,632,895    0/4.01/41      2/17.49/248
     SupplMeshName                                     6,942             7,350     0/1.06/5      5/25.92/111
       Type=Disease                                    5,919             6,134     0/1.04/5      6/28.35/111
       Type=Protocol                                   1,034             1,216     0/1.18/5      5/13.69/43
     CitationSubset                                 1,137,653        1,248,479     0/1.10/3       1/2.01/3
     GeneSymbol                                              0              0      0/0.00/0       0/0.00/0
     CommentsCorrections                             245,421         5,269,611   0/21.47/1332   18/45.91/567
       RetractionOf                                        458            486     0/1.06/11     32/99.58/309
       RetractionIn                                        147            150      0/1.02/2     27/50.37/190
       SummaryForPatientsIn                                102            102      0/1.00/1      32/45.80/61
       OriginalReportIn                                    102            102      0/1.00/1      32/47.61/61
       CommentOn                                      54,138           58,119     0/1.07/13     20/45.95/114
       CommentIn                                      41,840           51,175     0/1.22/38     24/49.02/124
       ErratumIn                                       9,615             9,781     0/1.02/5     18/49.44/567
       ErratumFor                                           31             33      0/1.06/3      31/49.18/70
       ReprintIn                                           214            218      0/1.02/2      27/48.39/70
       ReprintOf                                           381            383      0/1.01/2      27/50.16/74
       RepublishedFrom                                      58             58      0/1.00/1      33/47.03/75
       RepublishedIn                                        44             44      0/1.00/1      35/51.95/92
       UpdateIn                                             28             28      0/1.00/1      53/53.11/54
       UpdateOf                                            536            536      0/1.00/1      33/52.67/66
       PartialRetractionOf                                   4              4      0/1.00/1     93/131.00/201
       PartialRetractionIn                                   1              1      0/1.00/1      92/92.00/92
       Cites                                         149,419         5,148,391   0/34.46/1332   23/45.86/198
     MeshHeading                                    1,137,196       13,509,499    0/11.88/43     2/21.70/155
       DescriptorName                               1,137,196       13,509,499    0/11.88/43     2/14.73/104
            Descriptor Major                         564,315          982,136     0/1.74/13
            Descriptor Not Major                    1,134,688       12,290,592    0/10.83/43
       QualifierName                                1,102,222        8,441,675    0/7.66/71      5/11.16/29
            Qualifier Major                         1,074,277        3,624,826    0/3.37/20
            Qualifier Not Major                      919,195         4,816,849    0/5.24/71
       Descriptor and/or Qualifier Major            1,136,714        4,326,468    0/3.81/19
     NumberOfReferences                               41,323           41,323      0/1.00/1       1/2.23/4
     PersonalNameSubject                               4,835             5,882    0/1.22/10      4/15.74/55
       LastName                                        4,835             5,882    0/1.22/10       2/7.21/26
       ForeName                                        4,711             5,693    0/1.21/10       1/7.47/42
       Initials                                        4,711             5,693    0/1.21/10       1/1.33/5
       Suffix                                               30             30      0/1.00/1       2/2.07/3
       LastForeSuffix                                  4,835             5,882    0/1.22/10      4/14.45/53
       LastInitialsSuffix                              4,835             5,882    0/1.22/10       3/8.51/27
     OtherID                                         247,191          308,747      0/1.25/2      7/15.30/36
       NLM Source                                                     308,747
     OtherAbstract
       AbstractText                                          0              0      0/0.00/0       0/0.00/0
       CopyrightInformation                                  0              0      0/0.00/0       0/0.00/0
                                                                             Min/Avg/Max Min/Avg/Max
                       Element Name            Citations         Occurrences Occurrences   Length



8/31/2012                                                                                                       56
                  2012 MEDLINE Baseline: Results for 2010 - 2011 Based on Publication Date

     Keyword                                                              0        0      0/0.00/0           0/0.00/0
       Keyword Major                                                      0        0      0/0.00/0
       Keyword Not Major                                                  0        0      0/0.00/0
     GeneralNote                                                       148       148      0/1.00/1         32/41.34/359
     SpaceFlightMission                                                   0        0      0/0.00/0           0/0.00/0
     InvestigatorList                                                 5,993
     Investigator: Inclusive (pre-2008 Policy)                            0        0      0/0.00/0           0/0.00/0
       LastName                                                           0        0      0/0.00/0           0/0.00/0
       ForeName                                                           0        0      0/0.00/0           0/0.00/0
       Initials                                                           0        0      0/0.00/0           0/0.00/0
       Suffix                                                             0        0      0/0.00/0           0/0.00/0
       Affiliation                                                        0        0      0/0.00/0           0/0.00/0
       LastForeSuffix                                                     0        0      0/0.00/0           0/0.00/0
       LastInitialsSuffix                                                 0        0      0/0.00/0           0/0.00/0
     Investigator: 2008 Policy                                        5,993   356,507   0/59.49/2079        2/12.52/62
       LastName                                                       5,993   356,507   0/59.49/2079        1/7.04/39
       ForeName                                                       5,973   352,947   0/59.09/2078        1/4.33/47
       Initials                                                       5,973   352,946   0/59.09/2078         1/1.19/6
       Suffix                                                          420       717     0/1.71/11           2/2.31/3
       Affiliation                                                        0        0      0/0.00/0           0/0.00/0
       LastForeSuffix                                                 5,993   356,507   0/59.49/2079        2/11.33/60
       LastInitialsSuffix                                             5,993   356,507   0/59.49/2079        2/8.23/40


     Average Record Size in Bytes                                     2,109


     Words in Title                                              Average        13.29            Max                      120
     Words in Abstract                                           Average       197.95            Max                    1,657


     AB Size Zero                                                   195,055
     AB Size < 1,000                                                271,110
     AB Size 1,000 - 1,999                                          703,473
     AB Size 2,000 - 2,999                                           69,400
     AB Size 3,000 - 3,999                                            3,249
     AB Size 4,000 - 4,999                                             352
     AB Size > 5,000                                                   150


     Number of MH Occurrences with NO SHs                       7,838,206
     Number of MH Occurrences with ONE SH                       3,612,729
     Number of MH Occurrences with SHs                          5,671,293
     Number of MH Type=Geographic                                   236,771


     CollectiveName, Author, and Investigator Related Counts
     Citations containing ONLY CollectiveName                                                    1,675
     Citations containing BOTH CollectiveName and Author LastName                               13,506
     Citations containing BOTH CollectiveName and Investigator LastName                          5,990
     Citations containing BOTH Author LastName and Investigator LastName                         5,585
     Citations containing Investigator LastName and Owned by NASA                                      0




8/31/2012                                                                                                                       57
                 2012 MEDLINE Baseline: Results for 2010 - 2011 Based on Publication Date

     MedlineCitation Status Counts:
      Completed                                                0
      In-Process                                               0
      In-Data-Review                                           0
      PubMed-not-MEDLINE                              105,136
      OLDMEDLINE                                               0
      MEDLINE                                        1,137,653


     Article PubModel Counts:
      Print-Electronic                                589,030
      Electronic-Print                                   1,770
      Print                                           583,113
      Electronic                                       68,876


     JournalIssue CitedMedium Counts:
      Internet                                       1,068,215
      Print                                           174,574


     Owner Counts:
                          Owner              MedlineCitation       GeneralNote       Keyword
       NLM                                           1,240,918              134                0
       NASA                                                    0                 0             0
       PIP                                                     0                 0             0
       KIE                                                     0                 0             0
       HSR                                                637                14                0
       HMD                                               1,234                   0             0
       SIS                                                     0                 0             0
       NOTNLM                                                  0                 0             0


     CitationSubsets Counts:
      AIM                                              85,081
      B                                                        0
      C                                                        0
      D                                                19,486
      E                                                  1,851
      F                                                        0
      H                                                10,449
      IM                                             1,089,235
      J                                                        0
      K                                                  1,526
      N                                                27,919
      OM                                                       0
      Q                                                  1,640
      QIS                                                1,123
      QO                                                       0
      R                                                        0
      S                                                  2,081
      T                                                  4,560
      X                                                  3,528



     Publication Types Counts:



8/31/2012                                                                                          58
                  2012 MEDLINE Baseline: Results for 2010 - 2011 Based on Publication Date

      Addresses                                         292
      Bibliography                                      348
      Biography                                       4,869
      Case Reports                                   83,213
      Classical Article                                 334
      Clinical Conference                               293
      Clinical Trial                                  9,895
      Clinical Trial, Phase I                         1,331
      Clinical Trial, Phase II                        2,353
      Clinical Trial, Phase III                       1,151
      Clinical Trial, Phase IV                          127
      Comment                                        54,138
      Comparative Study                              75,491
      Congresses                                      3,047
      Consensus Development Conference                  841
      Consensus Development Conference, NIH              31
      Controlled Clinical Trial                       2,519
      Corrected and Republished Article                  58
      Dictionary                                          5
      Directory                                          34
      Duplicate Publication                              30
      Editorial                                      31,354
      English Abstract                               56,207
      Evaluation Studies                             23,964
      Festschrift                                       106
      Government Publications                             1
      Guideline                                         234
      Historical Article                             12,736
      In Vitro                                        7,109
      Interview                                       1,325
      Journal Article                              1,139,733
      Lectures                                          343
      Legal Cases                                       478
      Legislation                                         2
      Letter                                         50,659
      Meta-Analysis                                   6,580
      Multicenter Study                              18,464
      News                                           11,234
      Newspaper Article                                 414
      Overall                                         1,302
      Patient Education Handout                         444
      Periodical Index                                    0
      Portraits                                       2,406
      Practice Guideline                              1,766
      Published Erratum                                  31
      Randomized Controlled Trial                    29,528
      Research Support, American Recovery
      and Reinvestment Act                              237
      Research Support, N.I.H., Extramural          132,628
      Research Support, N.I.H., Intramural            6,975
      Research Support, Non-U.S. Gov't              502,133
     Publication Types Counts (continued):




8/31/2012                                                                                    59
               2012 MEDLINE Baseline: Results for 2010 - 2011 Based on Publication Date

      Research Support, U.S. Gov't, Non-P.H.S.     48,585
      Research Support, U.S. Gov't, P.H.S.          6,178
      Retracted Publication                           148
      Retraction of Publication                       462
      Review                                      124,233
      Scientific Integrity Review                      18
      Technical Report                                193
      Twin Study                                      660
      Validation Studies                            8,675
      Video-Audio Media                             1,141
      Webcasts                                        105


     PMID Versioning Counts:
      Version 1                                  1,242,789




8/31/2012                                                                                 60

								
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