title: Is autism one or multiple disorders?
authors.forename: Andrew J O
authors.initials: AJ
authors.lastname: Whitehouse
authors.forename: Fiona J
authors.initials: FJ
authors.lastname: Stanley
mesh_terms: D001321:Autistic Disorder / Q000175:diagnosis* / Q000209:etiology; D002648:Child; D002653:Child Behavior Disorders / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D012307:Risk Factors