Syphilis incidence by characteristics in followed-up men who have sex with men (MSM), Beijing, 2009–2012.
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* If the participant has answered “yes” at any of the follow up visits, then the variable is considered as “yes” during the analysis.+ HR = Hazard Risk§ CI = Confidence Interval.Syphilis incidence by characteristics in followed-up men who have sex with men (MSM), Beijing, 2009–2012.
创建时间：
2015-12-03
