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Martín-Clemente R, Camargo-Olivares JL, Hornillo-Mellado S, Elena M, Roman I.Martín-Clemente R, et al.IEEE Trans Biomed Eng. 2011 Feb;58(2):227-30. doi: 10.1109/TBME.2010.2059703. Epub 2010 Jul 19.IEEE Trans Biomed Eng. 2011.PMID: 20643598