Search results for: L. FENG
European Journal of Obstetrics and Gynecology > 2010 > 151 > 2 > 176-180
European Journal of Obstetrics and Gynecology > 2006 > 129 > 2 > 150-154
European Journal of Obstetrics and Gynecology > 2010 > 151 > 2 > 176-180
European Journal of Obstetrics and Gynecology > 2006 > 129 > 2 > 150-154