Abdel Jalil Ala', Tutuian Radu, Castell Donald O
Division of Gastroenterology and Hepatology, University of Missouri-Columbia, Columbia, Missouri.
Division of Gastroenterology, Bern University Hospital, Bern, Switzerland.
Clin Gastroenterol Hepatol. 2016 May;14(5):e49. doi: 10.1016/j.cgh.2015.10.031. Epub 2015 Nov 10.