A community survey of infantile autism.
D000293:Adolescent; D001321:Autistic Disorder / Q000453:epidemiology*; D001604:Berlin; D002648:Child; D002675:Child, Preschool; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007360:Intelligence; D008297:Male; D012923:Social Class