(Q83681370)
Statements
[Incidence and risk factors of HIV and syphilis seroconversion among men who have sex with men in Beijing] (English)
Shu-ming Li
Zhen-hai Zhou
Shu-lin Jiang
Ying-jie Liu
Dong-liang Li
Zheng Zhang
Xiao-xi Zhang
Feng-ji Luo
Yu-hua Ruan