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Lombardo-Agüí M, García-Campaña AM, Gámiz-Gracia L, Cruces-Blanco C.Lombardo-Agüí M, et al.Talanta. 2012 May 15;93:193-9. doi: 10.1016/j.talanta.2012.02.011. Epub 2012 Feb 28.Talanta. 2012.PMID: 22483898