Natural history of primary progressive multiple sclerosis.
The relationship of primary progressive multiple sclerosis (PPMS) to relapsing-remitting MS (RRMS) and secondary progressive MS (SPMS) remains unclear. Natural history data from a population-based cohort of patients with PPMS followed for approximately 25 years demonstrate remarkable similarities in...
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Format: | Journal article |
Language: | English |
Published: |
2004
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