title: The pathophysiology of duodenal ulceration.
mesh_terms: D002766:Cholecystokinin / Q000502:physiology; D004381:Duodenal Ulcer / Q000209:etiology / Q000473:pathology / Q000503:physiopathology*; D004386:Duodenum / Q000503:physiopathology; D005750:Gastric Juice / Q000032:analysis; D005753:Gastric Mucosa / Q000378:metabolism; D005755:Gastrins / Q000097:blood; D005756:Gastritis / Q000209:etiology; D005769:Gastrointestinal Motility; D006801:Humans; D006863:Hydrogen-Ion Concentration; D006984:Hypertrophy; D007413:Intestinal Mucosa / Q000473:pathology; D010434:Pepsin A / Q000378:metabolism; D012636:Secretory Rate; D014630:Vagus Nerve / Q000503:physiopathology; D015043:Zollinger-Ellison Syndrome / Q000503:physiopathology
chemical_list: D005755:Gastrins; D002766:Cholecystokinin; D010434:Pepsin A