Lee Woong Cheul, Lee Tae Hee, Cho Jun-Hyung
Institute for Digestive Research, Digestive Disease Center, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
Clin Endosc. 2014 Jan;47(1):119-20. doi: 10.5946/ce.2014.47.1.119. Epub 2014 Jan 24.