title: A guide to autism spectrum disorders.
authors.forename: Jamie
authors.initials: J
authors.lastname: Nicholls
mesh_terms: D017668:Age of Onset; D001321:Autistic Disorder / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D002648:Child; D042241:Early Diagnosis; D006801:Humans; D007092:Imagination; D012017:Referral and Consultation