Eun Suk Lee, Dae Hoon Jeong, Joo Ran Kim, Dae Shim Lee, Mi Sung Kim, Yu Kyung Cho, Jung Mi Byun, Young Mi Park, Young Nam Kim, Chul Hoi Jeong, Kyung Bok Lee, Moon Su Sung, Ki Tae Kim
Korean J Obstet Gynecol. 2009;52(12):1265-1272. Published online December 1, 2009