June Seek Choi, Jae Hyug Yang, Hyun Mee Ryu, Moon Young Kim, Jung Yeol Han, Hyun Kyung Ahn, Sang Hee Jung, Kyu Hong Choi, Jee Young Lee, Soo Young Lee, Jeong Yeon Cho, Young Ho Lee
Korean J Obstet Gynecol. 2002;45(9):1497-1504. Published online September 1, 2002
Jee Young Lee, Sung Il Kim, Tae Joon Kim, Soo Young Oh, Jung Bin Moon, Mi Ha Kim, Joong Sin Park, Jong Gwan Jeon, Bo Hyun Yoon, Sin Yong Moon, Hee Chul Shin
Korean J Obstet Gynecol. 2001;44(1):194-197. Published online January 1, 2001