Dong Won Kim, Seok Hyun Kim, Eung Gi Min, Seung Jae Lee, Jung Ryeol Lee, Young Sik Choi, Byung Chul Jee, Seung Yup Ku, Chang Suk Suh, Young Min Choi, Jung Gu Kim, Shin Yong Moon
Korean J Obstet Gynecol. 2007;50(3):523-532. Published online March 1, 2007