1. American Dental Association, Commission on Dental Accreditation Accreditation standards for dental education programs www.ada.org/prof/ed/accred/standards/predoc.pdf
2. American Association on Intellectual and Developmental Disabilities FAQ on intellectual disability www.aamr.org/content_104.cfm
3. Special Olympics terminology guide www.specialolympics.org/uploadedFiles/Fact%20Sheet_Terminology%20Guide(1).pdf 2009
4. Vision and oral health needs of individuals with intellectual disability;Owens;Ment Retard Dev Disabil Res Rev,2006