International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2012 > 116 > 1 > 26-30
International Journal of Gynecology and Obstetrics > 2012 > 118 > 2 > 129-132
International Journal of Gynecology and Obstetrics > 2012 > 116 > 1 > 26-30
International Journal of Gynecology and Obstetrics > 2012 > 118 > 2 > 129-132