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Dai W, Luo Z, Xu R, Zhao G, Tu D, Yang L, Wang F, Cai Y, Lan L, Hong F, Yang T, Feng T. Prevalence of HIV and syphilis co-infection and associated factors among non-commercial men who have sex with men attending a sexually transmitted disease clinic in Shenzhen, China. BMC Infectious Diseases. 2017 Jan 18;17(1):86. doi: 10.1186/s12879-017-2187-1. |