title: Early childhood autism.
mesh_terms: D000293:Adolescent; D001321:Autistic Disorder / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology / Q000628:therapy; D001521:Behavior Therapy; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004519:Education, Special; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000175:diagnosis; D012917:Social Adjustment; D013019:South Africa; D014837:Voluntary Health Agencies