title: Pernicious anemia in Negroes.
mesh_terms: D000328:Adult; D000368:Aged; D000752:Anemia, Pernicious / Q000453:epidemiology*; D044383:Black People; D004219:District of Columbia; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D001741:Black or African American