title: Ulcer disease. A comparison of some clinical and genetic aspects in patients suffering from duodenal ulcer, gastric ulcer and the pseudo-ulcer syndrome.
mesh_terms: D000017:ABO Blood-Group System; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D004200:Diseases in Twins; D005260:Female; D005750:Gastric Juice / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000175:diagnosis / Q000235:genetics / Q000401:mortality; D011602:Psychophysiologic Disorders; D012907:Smoking / Q000150:complications; D013312:Stress, Physiological / Q000150:complications
chemical_list: D000017:ABO Blood-Group System