International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2012 > 117 > 1 > 27-29
International Journal of Gynecology and Obstetrics > 2012 > 118 > Supplement 2 > S65-S77
International Journal of Gynecology and Obstetrics > 2012 > 119 > 3 > 224-226