Jang M K, Lee J H, Lee J Y, Kim K H, Park J Y, Lee J H, Kim H Y, Yoo J Y
Division of Gastroenterology, Dept. of Internal Medicine, Kangdong Sacred Heart Hospital, Hallym University Medical Center, Kangdonggu, Seoul, South Korea.
Endoscopy. 2006 Apr;38(4):438. doi: 10.1055/s-2006-925163.