Contributions to the study of the  hereditary background in duodenal ulcerative disease. Correlation with the blood groups and secretory status.
D001789:Blood Group Antigens; D004381:Duodenal Ulcer / Q000235:genetics*; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D012463:Saliva / Q000502:physiology
D001789:Blood Group Antigens