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Rufo-Campos M, Sancho-Rieger J, Peña P, Masramon X, Rejas-Gutiérrez J; Grupo de Colaboradores del Estudio LINCE.Rufo-Campos M, et al.Rev Neurol. 2008 Nov 16-30;47(10):517-24.Rev Neurol. 2008.PMID: 19012255Free article.Spanish.