Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association 2012 https://researcherprofiles.org/profile/1167420 23200982 Mahadevan U, Wolf DC, Dubinsky M, Cortot A, Lee SD, Siegel CA, Ullman T, Glover S, Valentine JF, Rubin DT, Miller J, Abreu MT