title: Update in gastroenterology and hepatology: evidence published in 2011.
authors: Gastroenterology, Hepatology, and Endoscopy Division, Brigham and Women’s Hospital, 75 Francis Street, Boston, MA 02115, USA.
authors: Norton J
authors: NJ
authors: Greenberger
authors: Prateek
authors: P
authors: Sharma
mesh_terms: D019317:Evidence-Based Medicine; D005762:Gastroenterology / Q000639:trends*; D006801:Humans