(Q34400449)
Statements
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Early prognostic factors for disability in multiple sclerosis, a European multicenter study. (English)
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Riise T
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Aarli JA
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Midgard R
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Grønning M
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Fernández O
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Lauer K
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Minderhoud JM
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Nyland H
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Pálffy G
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Poser S
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