Kyu Ri Hwang, Young Min Choi, Doo Seok Choi, Kwang Hyun Baek, Hye Won Jeon, Kwang Bum Bae, Young Soo Son, Seung Yup Ku, Byung Chul Jee, Chang Suk Suh, Seok Hyun Kim, Jung Gu Kim, Shin Yong Moon
Korean J Obstet Gynecol. 2004;47(10):1949-1953. Published online October 1, 2004