Su H Y, Liu J Y, Chen C H
Department of Obstetrics and Gynecology, Tri-Service General Hospital, National Defense Medical Center, No. 325, Sec. 2, Cheng-Kung Rd., Neihu 114, Taipei, Taiwan.
Int J Gynaecol Obstet. 2005 Mar;88(3):329-30. doi: 10.1016/j.ijgo.2004.11.024.