H. Mai

Increasing HIV and Decreasing Syphilis Prevalence in a Context of Persistently High Unprotected Anal Intercourse, Six Consecutive Annual Surveys among Men Who Have Sex with Men in Guangzhou, China, 2008 to 2013

Jinkou Zhao, L. Ling, W. Cheng, 2014, PloS one.

Consistently High Unprotected Anal Intercourse (UAI) and factors correlated with UAI among men who have sex with men: implication of a serial cross-sectional study in Guangzhou, China

G. Babu, Hao Wu, W. Cheng, 2014, BMC Infectious Diseases.