1. Zuvich RL, McCauley JL, Pericak-Vance MA, Haines JL. Genetics and pathogenesis of multiple sclerosis. Semin Immunol. 2009;21(6):328–33.
2. Carr HJ, Shepherd RB. Neurological rehabilitation. Optimizing motor performance. Oxford: Butterworth Heinemann; 1998.
3. Thoumie P, Lamotte D, Cantalloube S, Faucher M, Amarenco G. Motor determinants of gait in 100 ambulatory patients with multiple sclerosis. Mult Scler. 2005;11(4):485–91.
4. Benedetti MG, Gasparroni V, Stecchi S, Zilioli R, Straudi S, Piperno R. Treadmill exercise in early multiple sclerosis: a case series study. Eur J Phys Rehabil Med. 2009;45(1):53–9.
5. Swingler RJ, Compston D. The morbidity of multiple sclerosis. Q J Med. 1992;83(300):325–37.