Wheelchair skills performance by people with hemiplegia: To what extent are the limitations due to the diffculties inherent in the tasks rather than the neurological impairments? - Kirby, R. Lee; Adams, Corey D.; MacPhee, Angela H.; Coolen, Anna L.; Harrison, Edmund R.; Eskes, Gail A.; Smith, Cher; MacLeod, Donald A.; Dupuis, Debbie J. (Archives of Physical Medicine and Rehabilitation, 2005)