European Journal of Obstetrics & Gynecology and Reproductive Biology
European Journal of Obstetrics & Gynecology and Reproductive Biology > 2015 > 191 > C > 112-115
European Journal of Obstetrics & Gynecology and Reproductive Biology > 2015 > 191 > C > 106-111
European Journal of Obstetrics & Gynecology and Reproductive Biology > 2015 > 191 > C > 121-124