Lee Su Lim, Kim Yeon Hee, Lee Hee Joong
a Department of Radiology , College of Medicine, the Catholic University of Korea , Seoul , Republic of Korea.
b Department of Obstetrics and Gynecology , College of Medicine, The Catholic University of Korea , Seoul , Republic of Korea.
J Obstet Gynaecol. 2015;35(6):639-40. doi: 10.3109/01443615.2014.990429. Epub 2014 Dec 17.