The pattern of duodenal ulceration in Nairobi.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000368:Aged; D001241:Aspirin / Q000009:adverse effects; D044383:Black People; D001789:Blood Group Antigens; D002648:Child; D002675:Child, Preschool; D004381:Duodenal Ulcer / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007223:Infant; D007630:Kenya; D008297:Male; D008875:Middle Aged; D014454:Uganda
D001789:Blood Group Antigens; D001241:Aspirin