1. Spinal cord injury: facts and figures at a glance;National Spinal Cord Injury Statistical Center,1995
2. The economic consequences of traumatic SCI;Berkowitz,1993
3. Special issue: physical disability;Jette;Phys Ther,1994
4. World Health Organization: International classification of functioning, disability and health (ICF): www3.who.int/icf/. Accessed November 15, 2006.
5. Body composition in healthy aging;Baumgartner;Ann N Y Acad Sci,2000