DOI 10.1212/WNL.0b013e31826846b4 2012;79;1067-1069 Published Online before print August 22, 2012 Neurology Rémy Phan-Ba, Shibeshih Belachew, Olivier Outteryck, et al. PML: In MRI vigilance veritas? The earlier, the smaller, the better for natalizumab-associated This information is current as of August 22, 2012 http://www.neurology.org/content/79/10/1067.full.html located on the World Wide Web at: The online version of this article, along with updated information and services, is Enterprises, Inc.. All rights reserved. Print ISSN: 0028-3878. Online ISSN: 1526-632X. since 1951, it is now a weekly with 48 issues per year. Copyright Copyright © 2012 by AAN ® is the official journal of the American Academy of Neurology. Published continuously Neurology