Zhao Heng

发表

Combined estimates of effectiveness of mifepristone 10 mg in emergency contraception.

G. Piaggio, H. von Hertzen, X. Bilian, 2003, Contraception.

Meta-analyses of randomized trials comparing different doses of mifepristone in emergency contraception.

G. Piaggio, H. von Hertzen, X. Bilian, 2003, Contraception.

Conception probabilities at different days of menstrual cycle in Chinese women.

X. Bilian, Zhao Heng, Lei Zhen-wu, 2010, Fertility and sterility.