International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 1995 > 48 > 3 > 269-272
International Journal of Gynecology and Obstetrics > 2001 > 75 > 2 > 165-169
International Journal of Gynecology and Obstetrics > 1995 > 48 > 3 > 269-272
International Journal of Gynecology and Obstetrics > 2001 > 75 > 2 > 165-169