Duodenal ulcer in Malabar.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000437:Alcoholism / Q000150:complications; D004032:Diet; D004381:Duodenal Ulcer / Q000209:etiology / Q000601:surgery*; D005260:Female; D005750:Gastric Juice / Q000378:metabolism; D006373:Helminthiasis / Q000150:complications; D006801:Humans; D007194:India; D008297:Male; D008875:Middle Aged; D012959:Socioeconomic Factors