Jang BI
Kim KO, Jang BI
Lee SH, Kim TN, Lee JY, Moon HJ, Eun JR, Jang BI
Jang BI
Park JH, Jang BI, Kang SH, Kim TN, Chung MK, Lee HW, Nam HJ
Jang BI, Hwang MJ
Jang BI
Jang BI, Kim HI, Kim SS, Lee CK, Chung JH, Lee KH, Shim BS, Lee HW
Chung KH, Jang BI
Jang BI
Park YS, Kim MK, Lee KH, Koh SA, Jung JY, Jang BI, Lee SJ
Choi JW, Jang BI, Kim TN
Kim KO, Jang BI
Lee JK, Jang DK, Kim WH, Kim JW, Jang BI
Lee SH, Jang BI
Chun SH, Jang BI, Jung SH, Choi JH
Lee SH, Jang BI, Eun JR, Kim KO, Lee KH, Kim TN
Lee JK, Lee YJ, Cho JH, Im JP, Park CH, Jang JY, Jang BI, the Quality Management Committee and the Disinfection Management/Conscious Sedation Committee of Korean Society of Gastrointestinal Endoscopy (KSGE)
Lee SH, Jang BI
Kim BW, Son BK, Kim WH, Myung DS, Cho YS, Jang BI, The Disinfection Management and Conscious Sedation Committee, Korean Society of Gastrointestinal Endoscopy