International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2010 > 108 > 2 > 135-138
International Journal of Gynecology and Obstetrics > 2010 > 110 > 2 > 167-173
International Journal of Gynecology and Obstetrics > 2010 > 108 > 2 > 135-138
International Journal of Gynecology and Obstetrics > 2010 > 110 > 2 > 167-173