Takahashi Hironori, Matsubara Shigeki, Kobayashi Mami, Ohkuchi Akihide
Department of Obstetrics and Gynecology, Jichi Medical University, Shimotsuke, Tochigi, Japan.
Acta Obstet Gynecol Scand. 2015 Mar;94(3):336. doi: 10.1111/aogs.12563. Epub 2015 Jan 25.