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