Cooper, Rory A and Cooper, Rosemarie and Boninger, Michael L and Koontz, Alicia M and Wolf, E and Yang, Yu-Sheng and Dobson, A (2003) Technical Contributions to Wheelchairs that Improve Outcomes. In: Posture and Mobility Group Annual Conference: Improving the Outcome, 18 March 2003 - 19 March 2003, University of York, UK. (Unpublished)