?url_ver=Z39.88-2004&rft_id=10.1007%2Fs10461-008-9509-7&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Stall%2C+R&rft.aulast=Stall&rft.aufirst=R&rft.issue=4&rft.volume=13&rft.date=1+August+2009&rft.issn=1090-7165&rft.atitle=Running+in+place%3A+Implications+of+HIV+incidence+estimates+among+urban+men+who+have+sex+with+men+in+the+United+States+and+other+industrialized+countries&rft.title=AIDS+and+Behavior&rft.pages=615+-+629&rft.genre=article