A LONGITUDINAL COMPARISON OF THE WISC AND WAIS WITH EDUCABLE MENTALLY RETARDED  NEGROES.
D044383:Black People; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D008607:Intellectual Disability; D007361:Intelligence Tests; D019989:Persons with Intellectual Disabilities
INTELLIGENCE TESTS; MENTAL RETARDATION; NEGROES