title: Observations on elicited language imitation with the severely retarded.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D007100:Imitative Behavior; D007805:Language Development Disorders / Q000523:psychology*; D007806:Language Disorders / Q000523:psychology*