International Journal of Gynecology & Obstetrics
International Journal of Gynecology and Obstetrics > 2012 > 116 > 1 > 87-90
International Journal of Gynecology and Obstetrics > 2012 > 117 > 3 > 243-247
International Journal of Gynecology and Obstetrics > 2012 > 118 > 2 > 133-136
International Journal of Gynecology and Obstetrics > 2012 > 118 > 3 > 220-222
International Journal of Gynecology and Obstetrics > 2012 > 119 > Supplement 1 > S68-S71
International Journal of Gynecology and Obstetrics > 2012 > 119 > Supplement 1 > S55-S59
International Journal of Gynecology and Obstetrics > 2012 > 119 > 2 > 174-177