Severely subnormal children and their parents: an experiment in language improvement.
D002648:Child; D002668:Child Rearing; D003376:Counseling; D004495:Education of Persons with Intellectual Disabilities; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D007804:Language Development; D008297:Male; D009034:Mother-Child Relations; D010287:Parent-Child Relations