Jeong J, Park CW, Na HK, Chu MK
Na HK
Kang S, Yoon SH, Na HK, Lee Yg, Jeon S, Baik K, Sohn YH, Ye BS
Lee H, La Y, Na HK, Kim H, Shin S, Choi YC
Na S, Na HK, Park HJ, Park YH, Whang K, Park KH, Woo JH
Sun YE, Na HK, Kwak S, Kim YD, Nam HS, Heo JH
Park JM, Na HK
Na HK, Kim TI, Lim SH, Cho KY, Chung CP, Han SB, Ku Y
So S, Ahn JY, Na HK, Jung KW, Lee JH, Kim DH, Choi KD, Song HJ, Lee GH, Jung HY
So S, Ahn JY, Na HK, Jung KW, Lee JH, Kim DH, Choi KD, Song HJ, Lee GH, Jung HY
Na HK, De Moura DTH, The Study Group for Endoscopic Bariatric and Metabolic Therapies of the Korean Society of Gastrointestinal Endoscopy
Na HK, Kim DH, Lim H, Kwon OS, Choi KD, Lee GH, Jung HY, Kim JH
Lee HK, Na HK, Lee JY, Chang JW, Yang WS, Kim SB, Park JS, Park SK, Kwon SK, Cheong HI
Kang S, Kim Y, Na HK, Chung SJ, Lee JH
Kim JY, Choe PG, Oh Y, Oh KJ, Kim J, Park SJ, Park JH, Na HK, Oh MD
Jang YR, Lee M, Shin H, Kim JW, Choi Mm, Kim YM, Lee MJ, Kim J, Na HK, Kim JY
Na HK, Sun Y, Joe S, Lee CS, Kim S, Choi Y, Joo H, Kim DY, Nam HS
Lee J, Kim J, Kim HI, Oh CR, Choi S, Noh S, Na HK, Jung HY
Pih GY, Na HK