International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2010 > 111 > 2 > 171-174
International Journal of Gynecology and Obstetrics > 2010 > 111 > 2 > 136-139
International Journal of Gynecology and Obstetrics > 2010 > 111 > 2 > 140-143
International Journal of Gynecology and Obstetrics > 2010 > 111 > 2 > 161-164