The young child who does not talk: observations on causes and management.
D000342:Affective Symptoms / Q000150:complications; D001037:Aphasia / Q000150:complications; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000150:complications; D007804:Language Development; D007806:Language Disorders / Q000209:etiology* / Q000628:therapy; D009155:Mutism / Q000209:etiology* / Q000628:therapy; D011618:Psychotic Disorders / Q000150:complications; D013060:Speech; D014705:Verbal Behavior; D014825:Vocabulary