Patuto Nicola, Strebel Bruno M, Schmitt Anja M, Tutuian Radu
Division of Gastroenterology, University Clinic of Visceral Surgery and Medicine, Berne University Hospital, Berne, Switzerland.
Gastrointest Endosc. 2010 May;71(6):1089-90. doi: 10.1016/j.gie.2009.10.010. Epub 2010 Feb 6.