International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2010 > 110 > 1 > 23-26
International Journal of Gynecology and Obstetrics > 2010 > 111 > 3 > 233-236
International Journal of Gynecology and Obstetrics > 2010 > 110 > 1 > 23-26
International Journal of Gynecology and Obstetrics > 2010 > 111 > 3 > 233-236