The challenge of causal inference
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Olaf Dammann; Alan Leviton
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Article
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2010
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John Wiley and Sons
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English
โ 292 KB
We have read with great interest the article by Henderson and colleagues 1 in a recent issue of the Annals, in which the authors describe early loss of oligodendrocytes, without concomitant T-cell and B-cell infiltration or macrophage activity in tissue that borders a small selection of acute multip