1. National Organization on Disability. National Organization on Disability/Harris survey of Americans with disabilities. 2000, Accessed 22 June 2004 from the website: http://www.nod.org/section.cfm?id=55.
2. Centers for Disease Control and Prevention. Healthy people with disabilities. In Healthy People 2010 (chap. 6). September, 2002, Accessed 17 March 2003, from the website: http://www.healthypeople.gov/document/HTML/Volume1/06Disability.html.