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Multiple Sclerosis International
Volume 2012, Article ID 292631, 4 pages
http://dx.doi.org/10.1155/2012/292631
Clinical Study

Absence of Multiple Sclerosis and Demyelinating Diseases among Lacandonians, a Pure Amerindian Ethnic Group in Mexico

1Neurodegenerative Diseases Laboratory, The National Institute of Neurology and Neurosurgery, Insurgentes Sur 3877 Col. La Fama. Del. Tlalpan, CP 14269, Mexico City 14000, DF, Mexico
2Genetics Laboratory, The National Institute of Neurology and Neurosurgery, Insurgentes Sur 3877 Col. La Fama. Del. Tlalpan, CP 14269, Mexico City, DF, Mexico

Received 5 June 2012; Revised 20 July 2012; Accepted 22 July 2012

Academic Editor: Jorge Correale

Copyright © 2012 Jose Flores et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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