So Hoonsub, Park Do Hyun, Jung Kyoungwon, Lee Sang Soo, Seo Dong Wan, Lee Sung Koo, Kim Myung-Hwan
Division of Gastroenterology, Department of Internal Medicine, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
Endoscopy. 2015;47 Suppl 1 UCTN:E458-9. doi: 10.1055/s-0034-1392789. Epub 2015 Oct 14.