Authoratory Statistics for 2007-Q1 Release

Date of the release

Mar 13, 2007

Source of bibliographical information

PubMed/Medline databases

Criteria for author selection

affiliated institution is in US, UK or Canada; must be primary author or must have at least three publications in one year; must have at least two co-authors

Time period covered

from 2000 to 2006 inclusive

Last PubMed item considered

17,314,999

Total articles selected

2,032,876

Number of unique authors found

2,701,068

Unique authors selected for the release

280,044

Unique MeSH keywords extracted

24,379

Source of funding and grant information

NIH databases

Funding and grants considered

276,699 unique grants considered from 1972 till present; 687,399 unique awards processed from 1992 till present

Unique grant recipients found

137,586

Unique grant recipients selected for the release

62,134

Release History

2008-Q3 Release
2008-Q1 Release
2007-Q4 Release
2007-Q3 Release
2007-Q2 Release
2007-Q1 Release
2006-Q4 Release