International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2012 > 116 > 1 > 26-30
International Journal of Gynecology and Obstetrics > 2012 > 119 > 1 > 61-65
International Journal of Gynecology and Obstetrics > 2012 > 116 > 1 > 26-30
International Journal of Gynecology and Obstetrics > 2012 > 119 > 1 > 61-65