Sin Yong Moon, Gyung Hoon Gwon, Nam Hee Song, Hye Won Sul, Mi Gyung Ro, Hee Jung Ko, Sun Gyung Oh, Jung Ho Han, Gyu Hong Choi, Sun Mi Kim, Joong Sin Park, Jong Gwan Jeon, Young Min Choi, Bo Hyun Yoon, Hee Chul Shin, Jin Yong Lee
Korean J Obstet Gynecol. 2000;43(8):1486-1491. Published online January 1, 2001