Search results for: Yongying Liu
European Journal of Obstetrics & Gynecology and Reproductive Biology > 2017 > 217 > C > 167-172
European Journal of Medical Research > 2014 > 19 > 1 > 1-7
AIDS and Behavior > 2012 > 16 > 4 > 943-951
AIDS and Behavior > 2008 > 12 > 1 > 13-16
AIDS and Behavior > 2006 > 10 > 1 > 17-23
AIDS and Behavior > 2006 > 10 > 7 > 17-23