Baillie John, Testoni Pier-Alberto
Division of Gastroenterology, Hepatology, and Nutrition, Virginia Commonwealth University, Richmond, Virginia, USA.
Department of Endoscopy, St Raffaele University Hospital, Milan, Italy.
Gastrointest Endosc. 2016 Oct;84(4):646-8. doi: 10.1016/j.gie.2016.05.008.