Determining the true prevalence of autistic spectrum disorders.
Perera
L
L
Vijeratnam
S
S
Bolland
E
E
D001321:Autistic Disorder / Q000175:diagnosis / Q000453:epidemiology*; D002675:Child, Preschool; D006801:Humans; D008485:Medical Audit; D015995:Prevalence; D006113:United Kingdom / Q000453:epidemiology