Yong Jin Kim, Chae Hyung Lee, Seung Su Han, Young Sik Choi, Jeong Ryeol Lee, Byung Chul Jee, Seung Yup Ku, Chang Suk Suh, Young Min Choi, Jung Gu Kim, Shin Yong Moon, Seok Hyun Kim
Korean J Obstet Gynecol. 2005;48(10):2367-2376. Published online October 1, 2005