(Q43462704)
Statements
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The natural history of multiple sclerosis: a geographically based study. 5. The clinical features and natural history of primary progressive multiple sclerosis (English)
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Cottrell DA
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Kremenchutzky M
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Rice GP
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Koopman WJ
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Hader W
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Baskerville J
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1 April 1999
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122 ( Pt 4)
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Identifiers
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