by 안관홍(Kwan Hong Ahn), 천성원(Sung Won Chun), 최일봉(Il Bong Choe), 장석균(Suk Kyun Chang)
Published in Annals of surgical treatment and research (1997)

by 김기범(Ki Bum Kim), 서영진(Young Jin Suh), 안관홍(Gwan Hong Ahn), 천성원(Sung Won Chun), 조원일(Won Il Cho), 김승남(Seung Nam Kim), 이재학(Jae Hak Lee)
Published in Annals of surgical treatment and research (1997)

by 정용호, Yong Ho Jeong, 이창돈, Chang Don Lee, 채현석, Hyun Suk Chae, 김재성, Jae Sung Kim, 한상원, Sang Won Hang, 안관홍, Kwan Hong Ahn, 신석준, Seok Joon Shin, 김정수, Jeong Soo Kim, 전해명, Hae Myung Jeon
Published in The Korean journal of gastroenterology (1997)