(Q37315428)
Statements
Predictors of unprotected sex among men who have sex with men in Beijing, China (English)
Xinxu Li
Wei Shi
Dongliang Li
Yuhua Ruan
Yujiang Jia
Xiaoxi Zhang
Chen Wang
Yingjie Liu
Miao Yu
Hui Xing
Kunxue Hong
1 January 2008
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