International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2010 > 109 > 2 > 100-104
International Journal of Gynecology and Obstetrics > 2010 > 111 > 2 > 115-118
International Journal of Gynecology & Obstetrics > 2016 > 132 > 1 > 25-28