Won Sik Park, Mi Gyung Jung, Yong Sun Jo, Hak Chun Lee, Nae Young Yoon, Yoon Sung Nam, Chan Park, Woo Sik Lee, Dong Hee Choi, In Pyung Gwak, Sook Hwan Lee, Se Yeol Han, Tae Gee Yoon, Jung No Lee, Gwang Yeol Cha
Korean J Obstet Gynecol. 2000;43(12):2152-2158. Published online January 1, 2001