Kyoung Hwa Kang, Young Min Choi, Byung Soek Lee, Soon Beom Kang, Eun Ran Chang, Sang Kyu Bae, In Ae Park, Jong Kwan Jun, Byung Chul Jee, Seung Yup Ku, Chang Suk Suh, Seok Hyun Kim, Jung Gu Kim, Shin Yong Moon
Korean J Obstet Gynecol. 2004;47(8):1540-1544. Published online August 1, 2004