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To examine HIV prevalence and sexual behavior changes among MSM in Harbin.Three community-based cross-sectional surveys among MSM were conducted based on the same protocol and methodology in 2002, 2004 and 2006 in Harbin, China. Men who were eligible were interviewed with a standard questionnaire. Urine samples were collected to screen their HIV status.Among the MSM in Harbin, an increased trend was...
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