title: A pathophysiologic approach to nontumorous small-bowel disease.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007410:Intestinal Diseases / Q000000981:diagnostic imaging / Q000503:physiopathology*; D007413:Intestinal Mucosa / Q000503:physiopathology; D007421:Intestine, Small / Q000000981:diagnostic imaging / Q000503:physiopathology*; D011859:Radiography