International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 1997 > 59 > 2 > 103-108
International Journal of Gynecology and Obstetrics > 1997 > 59 > 2 > 109-113
International Journal of Gynecology and Obstetrics > 1997 > 59 > 2 > 133-137
International Journal of Gynecology and Obstetrics > 1997 > 59 > 2 > 123-131
International Journal of Gynecology and Obstetrics > 1997 > 59 > 2 > 115-118
International Journal of Gynecology and Obstetrics > 1997 > 59 > 2 > 119-122