Ikeda Makiko, Ueda Akihiko, Ueda Akane, Kawahara Shunsuke, Fukuhara Ken, Hasegawa Masaaki
a Department of Obstetrics and Gynecology , Kurashiki Central Hospital , Okayama , Japan.
J Obstet Gynaecol. 2017 Nov;37(8):1093-1095. doi: 10.1080/01443615.2017.1318270. Epub 2017 Jun 28.