title: On the problem of hereditary predisposition in gastric ulcer disease.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000941:Antigens / Q000276:immunology; D001789:Blood Group Antigens / Q000276:immunology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013276:Stomach Ulcer / Q000235:genetics* / Q000276:immunology
chemical_list: D000941:Antigens; D001789:Blood Group Antigens