Document Type

Letter to the Editor

Publication Date

12-27-2012

Comments

This article has been peer reviewed and is published in New England Journal of Medicine Volume 367, Issue 26, 27 December 2012, Page 2556. The published version is available at DOI: 10.1056/NEJMc1212351. Copyright © Massachusetts Medical Society.

PubMed ID

23268681

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Neurology Commons

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