Search results for: Xiaoli Chen
European Journal of Obstetrics and Gynecology > 2011 > 154 > 2 > 187-191
European Journal of Obstetrics and Gynecology > 2010 > 149 > 1 > 72-76
European Journal of Obstetrics and Gynecology > 2008 > 139 > 1 > 59-64