Min Young Lee, June Seek Choi, Jung Yeol Han, Hyun Kyeong Ahn, Jae Hyug Yang, Moon Young Kim, Hyun Mee Ryu, Min Hyoung Kim, Jin Hoon Chung, Kyu Hong Choi, Si Won Lee, You Jung Han, Jae Ra Lee, Hye Woen Park
Korean J Obstet Gynecol. 2012;55(1):1-7. Published online January 1, 2012
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