Chu P-W, Su H-Y, Ko C-S
Department of Obstetrics and Gynecology, Tri-Service General Hospital, National Defense Medical Center, 325, Section 2, Cheng-Kung Road, Nei-Hu, Taipei 114, Taiwan.
Int J Gynaecol Obstet. 2004 Nov;87(2):167-8. doi: 10.1016/j.ijgo.2004.06.006.