Are physical activity and symptoms correlates of functional limitations and disability in multiple sclerosis?
Rehabilitation Psychology (2007) - Comment
doi: 10.1037/0090-5550.52.4.463  issn: 1939-1544  issn: 0090-5550 

Robert W. Motl, Erin M. Snook, Edward McAuley, Jennifer A. Scott, Rachael C. Gliottoni