title: Is 18 months too early for the chat?
authors.forename: Tony
authors.initials: T
authors.lastname: Charman
authors.forename: Simon
authors.initials: S
authors.lastname: Baron-Cohen
authors.forename: Gillian
authors.initials: G
authors.lastname: Baird
authors.forename: Antony
authors.initials: A
authors.lastname: Cox
authors.forename: John
authors.initials: J
authors.lastname: Swettenham
authors.forename: Sally
authors.initials: S
authors.lastname: Wheelwright
authors.forename: Auriol
authors.initials: A
authors.lastname: Drew
mesh_terms: D001321:Autistic Disorder / Q000150:complications; D006801:Humans; D007223:Infant; D007806:Language Disorders / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology; D010287:Parent-Child Relations; D012720:Severity of Illness Index