Stress and the gastrointestinal tract.
D003109:Colonic Diseases, Functional / Q000209:etiology; D004935:Esophageal Diseases / Q000209:etiology; D005767:Gastrointestinal Diseases / Q000209:etiology*; D006801:Humans; D010437:Peptic Ulcer / Q000209:etiology; D013270:Stomach / Q000502:physiology; D013315:Stress, Psychological / Q000150:complications*