Biblio
. Accuracy of the actibelt(®) accelerometer for measuring walking speed in a controlled environment among persons with multiple sclerosis. Gait Posture [Internet]. 2011. Available from: http://www.hubmed.org/display.cgi?uids=21945386
. Age and disability accumulation in multiple sclerosis. Neurology [Internet]. 2011;77:1246-1252. Available from: http://www.hubmed.org/display.cgi?uids=21917763
. HAGIL (Hamburg Vigil Study): a randomized placebo-controlled double-blind study with modafinil for treatment of fatigue in patients with multiple sclerosis. Mult Scler [Internet]. 2011;17:1002-1009. Available from: http://www.hubmed.org/display.cgi?uids=21561959
. The natural history of multiple sclerosis, a geographically based study 10: relapses and long-term disability. Brain [Internet]. 2010;133:1914-1929. Available from: http://www.hubmed.org/display.cgi?uids=20534650

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