title: Pathogenesis and aetiology of ulcer disease.  Part II: Duodenal ulcer.
mesh_terms: D000818:Animals; D004063:Digestion; D004381:Duodenal Ulcer / Q000209:etiology* / Q000235:genetics; D004777:Environment; D005750:Gastric Juice / Q000378:metabolism; D006801:Humans; D007413:Intestinal Mucosa / Q000503:physiopathology; D010551:Personality; D011602:Psychophysiologic Disorders / Q000150:complications; D013270:Stomach / Q000503:physiopathology