Yoo In Kyung, Jeen Yoon Tae
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Institute of Digestive Disease and Nutrition, Korea University College of Medicine, Seoul, Korea.
Clin Endosc. 2016 Nov;49(6):495-497. doi: 10.5946/ce.2016.137. Epub 2016 Nov 15.