Authoratory Statistics for 2007-Q1 Release

Date of the release

June 10, 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 2007 inclusive

Last PubMed item considered

17,533,665

Total articles selected

2,129,859

Number of unique authors found

2,699,772

Unique authors selected for the release

289,943

Unique MeSH keywords extracted

24,379

Source of funding and grant information

NIH databases

Funding and grants considered

323,822 unique grants considered from 1972 till present; 715,101 unique awards processed from 1992 till present

Unique grant recipients found

141,369

Unique grant recipients selected for the release

78,880

Release History

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