1. 1. Watson N (2000) Barriers, discrimination and prejudice. In: Disability and oral care, Nunn J ed, FDI World Dental Press, London, 15-28.
2. 2. National Sample Survey Organization (2003) Disabled persons in India. NSS Report No. 485 (58/26/1), New Delhi.
3. 3. American Psychiatric Association (1994) Diagnostic and statistical manual of mental disorders. 4th ed, Washington.
4. 4. Tesini DA, Fenton SJ (1994) Oral health needs of person with physical or mental disabilities. Dent Clin North Am 38, 483-498.
5. Accuracy of estimation of dental treatment need in special care patients