Lee Bang Hyun, Park Tae Chul, Lee Hee Joong
Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seoul National University, Seoul, Korea.
Acta Obstet Gynecol Scand. 2014 Dec;93(12):1334-5. doi: 10.1111/aogs.12478. Epub 2014 Sep 20.