International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2007 > 97 > 2 > 135-138
International Journal of Gynecology and Obstetrics > 2007 > 97 > 2 > 110-114
International Journal of Gynecology and Obstetrics > 2007 > 97 > 2 > 115-119
International Journal of Gynecology and Obstetrics > 2007 > 97 > 2 > 105-109
International Journal of Gynecology and Obstetrics > 2007 > 97 > 2 > 89-94