Shin Yong Moon, Jong Kwan Jun, Jin Choi, Do Yeong Hwang, Young Min Choi, Seok Hyun Kim, Jae Ho Yum, Ju Won Rho, Ji Sung Yoon, Hee Jung Ko, Sun Kyung Oh, Joong Shin Park, Bo Hyun Yoon, Hee Chul Syn
Korean J Obstet Gynecol. 1998;41(11):2717-2724. Published online January 1, 2001