A developmental approach to language disorders.
D002648:Child; D002675:Child, Preschool; D003210:Concept Formation; D002658:Developmental Disabilities; D006309:Hearing; D006801:Humans; D007223:Infant; D007804:Language Development; D007806:Language Disorders / Q000209:etiology / Q000628:therapy; D010468:Perceptual Disorders / Q000209:etiology; D013060:Speech