Katherine Pak, Su Jung Kim, Ha Jung Lim, Eun Jeong Kim, Won Sik Lee, Min Jeong Oh, June Seek Choi, Hur Kuol, Sang Hee Jung, Hyun Kyong Ahn, Jung Yeol Han, Moon Young Kim, Hyun Mee Ryu, Kyu Hong Choi, Jae Hyug Yang
Korean J Obstet Gynecol. 2002;45(9):1485-1490. Published online September 1, 2002
Kuol Hur, Kwang Moon Yang, Jung Yeol Han, Kuk Sun Han, Hong Bok Lee, Jin Young Kim, In Ok Song, Ji Hong Song, Keun Jai Yoo, Jong Young Jun, Inn Soo Kang, Mi Kyoung Koong
Korean J Obstet Gynecol. 2002;45(3):458-464. Published online March 1, 2002