Neuroepidemiology · 2006 · 11 citations · 29 references
The clinical course and outcome of progressive multiple sclerosis in Brazil, a tropical country with low prevalence, were very similar to those in the multiple sclerosis high prevalence areas.
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Rating neurologic impairment in multiple sclerosis
John F. Kurtzke · Neurology · 1983 · 14.7K citations
Defining the clinical course of multiple sclerosis
Fred Lublin, Stephen C. Reingold · Neurology · 1996 · 3.7K citations
Neurological Disorder, Patient Selection, Clinical Neurology +17