Hae Suk Kim, Jung Yeol Han, Su Hyun Park, Hye Jin Cho, Ha Jung Lim, Myoung Jin Moon, Jin Hoon Chung, June Seek Choi, Hyun Kyung Ahn, Hyun Mee Ryu, Moon Young Kim, Joo Oh Kim, Joong Sik Shin, Kyu Hong Choi, Jae Hyug Yang
Korean J Obstet Gynecol. 2003;46(10):1931-1936. Published online October 1, 2003