Nomura Seiji, Suganuma Takayasu, Suzuki Takahiro, Ito Tomomi, Kajiyama Hiroaki, Okada Mayumi, Shibata Kiyosumi, Ino Kazuhiko, Kikkawa Fumitaka, Mizutani Shigehiko
Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Acta Obstet Gynecol Scand. 2006;85(8):1019-21. doi: 10.1080/00016340600609103.