Search results for: Xuan Gao
European Journal of Obstetrics and Gynecology > 2006 > 129 > 2 > 150-154
European Journal of Obstetrics and Gynecology > 2006 > 126 > 1 > 72-76
European Journal of Obstetrics and Gynecology > 2006 > 129 > 2 > 150-154
European Journal of Obstetrics and Gynecology > 2006 > 126 > 1 > 72-76