Racial patterns in pernicious anemia.
D000293:Adolescent; D000328:Adult; D000752:Anemia, Pernicious / Q000453:epidemiology / Q000235:genetics*; D044383:Black People; D005260:Female; D006801:Humans; D008297:Male; D013019:South Africa; D014481:United States; D001741:Black or African American