Wie JH, Han YJ, Kim SH, Kim MY, Cho HY, Lee MY, Chung JH, Lee SM, Oh Sy, Lee JH, Boo HY, Cho GJ, Kwon HS, Kim BJ, Park MH, Ryu HM, Ko HS
Oh S, Jo JH, Hong S, Ko HS, Park IY, Hwang H
Kim SY, Oh Sy, Sung JH, Choi SJ, Roh CR, Lee SM, Jun JK, Lee MY, Lee J, Kim SH, Cha DH, Han YJ, Kim MH, Cho GJ, Kwon HS, Kim BJ, Park MH, Cho HY, Ko HS, Shim JY, Ryu HM
Pae J, Ko HS
Lee JE, Yoon HJ, Jang YR, Ko HS
Pae J, Park J, Kim S, Kim R, Wie J, Ko HS, Park IY, Shin JC
Kim SY, Kwon HS, Lee J, Sul AR, Ko HS, Yang JI
Park J, Ko M, Kang BS, Park J, Ko HS, Park IY
Kim S, Park HS, Kwon H, Seol HJ, Bae JG, Ahn KH, Na S, Lee SJ, Lee MY, Lee SM, Kwak DW, Park JY, Park IY, Won HS, Kim MY, Ko HS, Hwang HS, Korean Society of Ultrasound in Obstetrics and Gynecology Research Group
Hwang HS, Koo JH, Kim SY, Kim RY, Wie JH, Ko HS, Park IY, Shin JC
Wie JH, Ko HS, Choi SK, Park IY, Kim A, Kim HS, Shin JC
Jo JH, Choi YH, Wie JH, Ko HS, Park IY, Shin JC
Ko HS, Choi SK, Wie JH, Park IY, Park YG, Shin JC
Kim WJ, Han YS, Ko HS, Park IY, Shin JC, Wie JH
Ko HS, Kim R, Park JY, Jang YR, Park IY, Shin JC
Seo BF, Ko HS, Kwon H, Jung SN
Yeom SD, Ko HS, Moon JH, Kang MJ, Byun JW, Choi GS, Shin J
Ko HS, Suh YJ, Byun JW, Choi GS, Shin J
Kim DH, Ko HS, Jun YJ
Kim DH, Ko HS, Jun YJ