Trends in prevalence of HIV, syphilis, hepatitis C, hepatitis B, and sexual risk behavior among men who have sex with men. Results of 3 consecutive respondent-driven sampling surveys in Beijing, 2004 through 2006.
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| Description | scientific article |
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author: Henry F Raymond Willi McFarland |
| Publication date | August 1, 2007 |
| Language | English |
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