International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2007 > 99 > 3 > 229-232
International Journal of Gynecology and Obstetrics > 2010 > 111 > 2 > 119-121
International Journal of Gynecology and Obstetrics > 2007 > 99 > 3 > 229-232
International Journal of Gynecology and Obstetrics > 2010 > 111 > 2 > 119-121