International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2012 > 119 > Supplement 1 > S18-S21
International Journal of Gynecology and Obstetrics > 2012 > 119 > 3 > 217-220
International Journal of Gynecology and Obstetrics > 2012 > 119 > Supplement 1 > S18-S21
International Journal of Gynecology and Obstetrics > 2012 > 119 > 3 > 217-220