Polydactyly in American negroes and whites.
D000015:Abnormalities, Multiple / Q000453:epidemiology; D001741:Black or African American; D000013:Congenital Abnormalities / Q000145:classification / Q000453:epidemiology / Q000235:genetics; D005385:Fingers / Q000002:abnormalities*; D006801:Humans; D007231:Infant, Newborn; D008499:Medical Records; D013576:Syndactyly / Q000453:epidemiology; D014034:Toes / Q000002:abnormalities*; D014481:United States; D044465:White People