1. National Spinal Cord Injury Statistics Center: Spinal cord injury facts and figures at a glance, University of Alabama at Birmingham.: http://www.spinalcord.uab.edu. Accessed March 2007.
2. Americans with Disability Act: Standards for Accessible Design, 28 CFR Part 36, Washington, DC, Revised July 1, 2004, Department of Justice, pp 507-508.
3. National Institute on Disability and Rehabilitation Research: http://www.ed.gov/about/offices/list/osers/nidrr/index.html. Accessed May 2007.
4. Predictors of functional status in patients in a chronic-care facility;Baigis;Clin Perform Qual Health Care,1998
5. Universal design in housing;Mace;Assist Technol,1998