Grimm Ian, Peery Anne F, Kaltenbach Tonya, Crockett Seth D
Division of Gastroenterology and Hepatology, University of North Carolina School of Medicine, CB 7080, Chapel Hill, North Carolina 27599, USA.
Division of Gastroenterology and Hepatology, San Francisco Veterans Affairs Medical Center, University of California at San Francisco, San Francisco, California, USA.
Am J Gastroenterol. 2018 Mar;113(3):317-321. doi: 10.1038/ajg.2017.409. Epub 2017 Nov 7.