?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Tyagi%2C+Atul&rft.aulast=Tyagi&rft.aufirst=Atul&rft.issue=10&rft.volume=6&rft.date=2011&rft.issn=1932-6203&rft.atitle=HIVsirDB%3A+A+Database+of+HIV+Inhibiting+siRNAs.&rft.title=PloS+one&rft.pages=e25917&rft.genre=article