Proc Natl Acad Sci U S A. 2005 Apr 12;102(15):5303. Epub 2005 Apr 4.
Making research accessible: National Institutes of Health (NIH) public access and PNAS open access policies.
Cozzarelli NR.
PMID: 15809413 [PubMed - indexed for MEDLINE]
PMCID: PMC556258
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