Zheya Sun

Correlates of Unprotected Anal Intercourse: The Influence of Anal Sex Position Among Men Who Have Sex with Men in Beijing, China

Xiong He, Y. Ruan, Y. Shao, 2015, Archives of sexual behavior.

Correlates of Unprotected Anal Intercourse: The Influence of Anal Sex Position Among Men Who Have Sex with Men in Beijing, China

Xiong He, Y. Ruan, Y. Shao, 2014, Archives of Sexual Behavior.

Risk Prediction Score for HIV Infection: Development and Internal Validation with Cross-Sectional Data from Men Who Have Sex with Men in China

S. Vermund, Y. Ruan, R. Xin, 2018, AIDS and Behavior.

HIV-Testing Behavior and Associated Factors Among MSM in Chongqing, China

H. Xing, Y. Ruan, Y. Shao, 2014, Medicine.

Poppers use and risky sexual behaviors among men who have sex with men in Beijing, China.

Xiong He, S. Vermund, Y. Ruan, 2016, Drug and alcohol dependence.