Martin L Freeman1. 1. Division of Gastroenterology, University of Minnesota, Hennepin County Medical Center, Minneapolis, MN 55415, USA. freem020@tc.umn.edu
Authors: Johnathon Springer; Robert Enns; Joseph Romagnuolo; Terry Ponich; Alan N Barkun; David Armstrong Journal: Can J Gastroenterol Date: 2008-06 Impact factor: 3.522