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PNAS Backfile Completed at PubMed Central

:: As reported by George Porter on a number of discussion groups:

Proceedings of the National Academy of Sciences of the United States of America (PNAS) is a long running (1915+), highly regarded journal [ISI Impact Factor 10.260-10.896 (1999-2003]. PNAS was one of the early collaborators with the National Library of Medicine in the creation of PubMed Central. Backfile digitization has been completed at PubMed Central for PNAS; previously the first 40 or so years of the journal were only available online by subscription through JSTOR.

Proceedings of the National Academy of Sciences of the United States of America (PNAS) Fulltext v1+ (1915+) 6 month moving wall http://pubmedcentral.gov/tocrender.fcgi?journal=2&action=archive
Open Access articles (239, as of 10 May 2005)
http://pubmedcentral.gov/tocrender.fcgi?iid=13407
Fulltext v59+ (1968+) 6 month moving wall http://www.pnas.org/
Fulltext v1-99 (1915-2002) 2 year moving wall; updated annually [subscription required] http://www.jstor.org/journals/00278424.html
Print ISSN: 0027-8424 | Online ISSN: 1091-6490

[Thanks to Carol Myers, PubMed Central Digitization Project, via the PMC-News mailing list <http://www.ncbi.nlm.nih.gov/mailman/listinfo/pmc-news>.]

George S. Porter

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