A note on developmental trends in the symbolic play of hospitalized profoundly retarded children.
D000293:Adolescent; D002648:Child; D002657:Child Development; D002673:Child, Hospitalized / Q000523:psychology*; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000523:psychology*; D007804:Language Development; D008297:Male; D010988:Play and Playthings; D012737:Sex Factors; D013561:Symbolism