Rex Douglas K, Hassan Cesare, Dewitt John M
Division of Gastroenterology/Hepatology, Indiana University Medical Center, Indianapolis, Indiana, USA.
Digestive Endoscopy Unit, Nuovo Regina Margherita Hospital, Rome, Italy.
Gastrointest Endosc. 2017 Mar;85(3):554-558. doi: 10.1016/j.gie.2016.09.015.