Lee Bo-In, Kim Byung-Wook, Kim Kyoung-Mee, Song Ho-Jin, Cho Se-Hyun, Choi Hwang, Choi Myung-Gyu, Choi Kyu-Yong, Chung In-Sik, Cha Sang-Bok, Sun Hee-Sik, Park Doo-Ho
Division of Gastroenterology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Gastrointest Endosc. 2002 Oct;56(4):589-91. doi: 10.1067/mge.2002.128134.