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Santos-García D, de la Fuente-Fernández R, Valldeoriola F, Palasí A, Carrillo F, Grande M, Mir P, De Fabregues O, Casanova J.Santos-García D, et al.J Neurol. 2012 Aug;259(8):1668-72. doi: 10.1007/s00415-011-6396-z. Epub 2012 Jan 24.J Neurol. 2012.PMID: 22270132Review.