by 유방현, Bang Hyun Liu, 문한규, Han Kyu Moon, 허윤, Yoon Huh, 양웅석, Ung Suk Yang, 강영진, Young Jin Kang, 송근암, Geun Anm Song, 박현, Hyun Park, 유석동, Seuck dong Yo
Published in The Korean journal of gastroenterology (01.01.1988)