Functional disorders of the stomach and small bowel.
D003109:Colonic Diseases, Functional / Q000503:physiopathology; D004064:Digestive System / Q000503:physiopathology; D005769:Gastrointestinal Motility; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy; D007421:Intestine, Small / Q000503:physiopathology; D013272:Stomach Diseases / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy