Prevalence of syphilis infection and associations with sexual risk behaviours among HIV-positive men who have sex with men in Shanghai, China.
He H, Wang M, Zaller N, Wang J, Song D, Qu Y, Sui X, Dong Z, Operario D, Zhang H. Prevalence of syphilis infection and associations with sexual risk behaviours among HIV-positive men who have sex with men in Shanghai, China. Int J STD AIDS. 2014 May; 25(6):410-9.