title: Update in gastroenterology.
authors.affiliation: Division of Gastroenterology, Brigham and Women's Hospital, Boston, Massachusetts 02115, USA. ngreenberger@partners.org
authors.forename: Norton J
authors.initials: NJ
authors.lastname: Greenberger
mesh_terms: D005767:Gastrointestinal Diseases / Q000150:complications / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology / Q000628:therapy; D006801:Humans