1. Aging with a spinal cord injury: Factors associated with the need for more help with activities of daily living1 
Nathania R. Liem, MD, MSc, Mary Ann McColl, PhD, Will King, PhD, Karen M. Smith, MD 
Archives of Physical Medicine and Rehabilitation 
Volume 85, Issue 10, Pages (October 2004)
DOI: /j.apmr

2. Fig 1
Development of medical factors. Abbreviation: ICF, International Classifications of Functioning, Disability and Handicap.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )