• 1
    Lotter V. Epidemiology of autistic conditions in young children. 1. Prevalence. Soc. Psychiatry 1966; 1: 124137.
  • 2
    Wing L. The definition and prevalence of autism: A review. Eur. Child Adolesc. Psychiatry 1993; 151: 13611367.
  • 3
    Baird G, Simonoff E, Pickles A et al. Prevalence of disorders of the autism spectrum in a population cohort of children in South Thames: the Special Needs Autism Project (SNAP). Lancet 2006; 368 (9531): 179181.
  • 4
    Ishii T, Takahashi O. The epidemiology of autistic children in Toyota, Japan: Prevalence. Jpn. J. Child Adolesc. Psychiatry 1983; 24: 311321.
  • 5
    Sugiyama T, Abe T. The prevalence of autism in Nagoya, Japan: A total population study. J. Autism Dev. Disord. 1989; 19: 8796.
  • 6
    Honda H, Shimizu Y, Misumi K, Niimi M, Ohashi Y. Cumulative incidence and prevalence of childhood autism in children in Japan. Br. J. Psychiatry 1996; 169: 228235.
  • 7
    Kadesjo B, Gillberg C, Hangberg B. Brief Report. Autism and Asperger syndrome in seven-year-old children. J. Autism Dev. Disord. 1999; 29: 327332.
  • 8
    Baird G, Charman T, Baron-Cohen S et al. A screening instrument for autism at 18 month of age: A 6 year follow up study. J. Am. Acad. Child Adolesc. Psychiatry 2000; 39: 694702.
  • 9
    Chakrabarti S, Fombonne E. Pervasive developmental disorder in preschool children. J. Am. Med. Assoc. 2001; 285: 30933099.
  • 10
    Honda H, Shimizu Y, Imai M, Nitto Y. Cumulative incidence of childhood autism: A total population study of better accuracy and precision. Dev. Med. Child Neurol. 2005; 47: 1018.
  • 11
    Wing L, Potter D. The epidemiology of autistic spectrum disorders: Is the prevalence rising? Ment. Retard. Dev. Disabil. Res. Rev. 2002; 8: 151161.
  • 12
    American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disordes, 4th edn. American Psychiatric Association, Washington, DC, 1994.
  • 13
    American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disordes, 3rd edn. American Psychiatric Association, Washington, DC, 1980.
  • 14
    Report of the Ministry of Health and Welfare Study Group on Mental and Physical Handicaps. Sketches of the clinical picture of autism over the course of development: A guideline for the diagnosis of autism. Ministry of Health and Welfare, Tokyo, 1978 (in Japanese).
  • 15
    Yeargin-Allsopp M, Rice C, Karapurkar T et al. Prevalence of autism in a US metropolitan area. JAMA 2003; 289: 4955.
  • 16
    Chawarska K, Klin A, Paul R, Volkmar F. Autism spectrum disorder in the second year: Stability and change in syndrome expression. J. Child Psychol. Psychiatry 2007; 48: 128138.
  • 17
    Stone WL, Lee EB, Ashford L et al. Can autism be diagnosed accurately in children under 3 years? J. Child Psychol. Psychiatry 1999; 40: 219226.