Jae Eun Chung, Duck Yeong Ro, Jeong Hoon Bae, Dong Kun Jin, Sang Hyung Lee, Hyun Sun Ko, Su Mi Bae, Hyun Kyung Lee, Byung Kee Kim, Chong Kook Kim, Joon Mo Lee, Sung Eun Namkoong, Woong Shick Ahn
Korean J Obstet Gynecol. 2003;46(2):429-434. Published online February 1, 2003