Jung Kweon Kang, In Sang Ku, Jin Young Cha, Hun Young Cho, Hyun Hee Kim, Young Jae Kim, Soo Seock Ree, Eun Kyung Bae, Young Jeong Na, Kyung Tai Kim, Soo Hyun Cho, Sam Hyun Cho, Youn Yeung Hwang, Hyung Moon
Korean J Obstet Gynecol. 2002;45(4):593-601. Published online April 1, 2002
Mi Kyung Koo, Hyun Hee Kim, Sam Hyun Cho, Seung Ryong Kim, Su Hyun Jo, Kyung Tae Kim, Hyung Moon, Yoon Yoong Hwang, Kyung Hyun Kim, Jung Bae Yoo, Ki Young Ryu, Yoon Young Lee
Korean J Obstet Gynecol. 2001;44(3):460-465. Published online March 1, 2001