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All H1N1 (swine flu) related articles published in PNAS are now freely available online



In light of the current alert about H1N1 (swine flu) issued by 
the World Health Organization and the public health emergency 
declared by the United States government, PNAS has made related 
research articles free online at www.pnas.org to assist with 
research on this topic.

Twelve research articles published within the past 6 months are 
now freely available online.  All PNAS articles are accessible at 
no charge after 6 months.

*********************************
Mark Chesnek
Marketing Manager, PNAS
Phone: 202-334-2696
Fax: 202-334-1346
www.PNAS.org