title: Autism--what is it and where does it come from?
authors.forename: F J
authors.initials: FJ
authors.lastname: O'Callaghan
mesh_terms: D000328:Adult; D001321:Autistic Disorder / Q000175:diagnosis / Q000453:epidemiology / Q000523:psychology; D002648:Child; D002653:Child Behavior Disorders / Q000523:psychology; D002675:Child, Preschool; D006801:Humans; D015995:Prevalence