Yon Ju Kim, Moon Young Kim, Bom Yi Lee, Jin Woo Kim, So Yeon Park, Ji Eun Kim, Dong Chul Oh, Jun Sik Hong, Hae Kyoung Han, Mi Jung Kim, Yi Kyeong Chun, Hye Sun Kim, Hyun Mee Ryu
Korean J Obstet Gynecol. 2001;44(12):2302-2306. Published online December 1, 2001