Stidham Ryan W, Sauder Kay, Higgins Peter D R
Division of Gastroenterology, Department of Medicine, University of Michigan, Ann Arbor, Michigan.
Division of Gastroenterology, Department of Medicine, University of Michigan, Ann Arbor, Michigan.
Gastroenterology. 2012 Sep;143(3):520-523. doi: 10.1053/j.gastro.2012.07.024. Epub 2012 Jul 22.