title: Autism spectrum disorder. An introduction to a complex diagnosis.
authors.affiliation: Pediatric Outpatient Clinic at   Fort George G. Meade, Maryland, USA.
authors.forename: Teri
authors.initials: T
authors.lastname: O'Neil
mesh_terms: D001321:Autistic Disorder / Q000175:diagnosis* / Q000628:therapy; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant