Archives of PNAS now complete on PubMedCentral

PubMed Central now includes complete coverage of the Proceedings of the
National Academy of Sciences (PNAS) :
ISSN: 0027-8424

http://www.pubmedcentral.gov/tocrender.fcgi?journal=2&action=archive
Complete content for: v.1:no.1 (1915) to the present. (A six-month delay on availability of current content is imposed by the publisher on content at PubMedCentral.)

However, the UCHC library has a current subscription for the most current online content at :
http://www.pnas.org/