Leukaemia in black and white.
D000208:Acute Disease; D000349:Africa; D000367:Age Factors; D044383:Black People; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007938:Leukemia / Q000453:epidemiology*; D014481:United States; D044465:White People; D001741:Black or African American