Kim Hyun Gun, Friedland Shai
Institute for Digestive Research, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, Korea.
Department of Gastroenterology, Stanford University School of Medicine and VA Palo Alto HCS, Stanford, California, USA.
Gastrointest Endosc. 2014 Mar;79(3):424-6. doi: 10.1016/j.gie.2013.10.006.