title: Hereditary factors in the aetiology of peptic ulcer. Genealogical study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D004200:Diseases in Twins; D004381:Duodenal Ulcer / Q000235:genetics; D005260:Female; D005753:Gastric Mucosa / Q000473:pathology; D005826:Genetics, Medical; D005838:Genotype; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000209:etiology / Q000235:genetics* / Q000473:pathology; D012730:Sex Chromosomes; D012737:Sex Factors; D013272:Stomach Diseases / Q000150:complications; D013276:Stomach Ulcer / Q000235:genetics