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Fernández-Domínguez A, Morales-Chacón L, García-Cruz A, Cubero L, Galvizu-Sánchez R, Hernández-Lara J.Fernández-Domínguez A, et al.Rev Neurol. 1999 Feb 1-15;28(3):240-2.Rev Neurol. 1999.PMID: 10714286Spanish.