title: Paradigm shifts in GI disease management: new information, new opportunities. Introduction.
authors: Division of Gastroenterology, Eastern Virginia Medical School, Norfolk, Virginia, USA.
authors: David A
authors: DA
authors: Johnson
mesh_terms: D003937:Diagnosis, Differential; D005762:Gastroenterology / Q000379:methods*; D005767:Gastrointestinal Diseases / Q000175:diagnosis / Q000209:etiology / Q000628:therapy; D006801:Humans