Communication with the severely and profoundly handicapped: a psycholinguistic approach.
D002663:Child Language; D002675:Child, Preschool; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D007223:Infant; D007804:Language Development; D009034:Mother-Child Relations; D011578:Psycholinguistics; D012931:Social Environment; D014705:Verbal Behavior