Surveillance Among Men Who have Sex with Men in the United States: A Comparison of Web-Based and Venue-Based Samples.

Chen, Yen-Tyng; Bowles, Kristina; An, Qian; DiNenno, Elizabeth; Finlayson, Teresa; Hoots, Brooke; Paz-Bailey, Gabriela; Wejnert, Cyprian.
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Artigo em Inglês | MEDLINE | ID: mdl-28667468