Se Eun Cho, Yoo Jeong Shin, Hyo Jeong Kim, Hyun Young Ji, Hye Min Kwak, Hyun Hwa Cha, Suk Joo Choi, Soo Young Oh, Soo Youn Lee, Cheong Rae Roh, Jong Hwa Kim
Korean J Obstet Gynecol. 2011;54(11):651-658. Published online November 1, 2011
Youn Sil Choo, Ae Ra Han, Seung Heon Yang, Na Young Sung, Sun Hwa Cha, Hye Ok Kim, Chan Woo Park, In Ok Song, Mi Kyoung Koong, In Soo Kang, Kwang Moon Yang
Korean J Obstet Gynecol. 2011;54(10):599-604. Published online October 1, 2011