?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Kumar%2C+Ravi&rft.aulast=Kumar&rft.aufirst=Ravi&rft.issue=4&rft.volume=8&rft.date=2013&rft.issn=1932-6203&rft.atitle=Hybrid+approach+for+predicting+coreceptor+used+by+HIV-1+from+its+V3+loop+amino+acid+sequence.&rft.title=PloS+one&rft.pages=e61437&rft.genre=article