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