Sam Yong Shim, Mi Hye Park, Kwan Young Oh, Sang Hun Jun, Young Rae Song, Jeong Hoon Rho, Byung Kwan Lee, Kyung Hwa Kang, Ki Hwan Kim, In Taek Hwang, Yoon Seok Yang, Ji Hak Jeong, Joon Suk Park
Korean J Obstet Gynecol. 2006;49(2):345-356. Published online February 1, 2006