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Mauri-Llerda JA, Tejero-Juste C, Escalza-Cortina I, Jericó I, Morales-Asín F.Mauri-Llerda JA, et al.Rev Neurol. 2000 Oct 16-31;31(8):770-4.Rev Neurol. 2000.PMID: 11082888Review.Spanish.