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Ruiz-Angel MJ, Torres-Lapasió JR, García-Alvarez-Coque MC.Ruiz-Angel MJ, et al.J Chromatogr A. 2004 Jan 2;1022(1-2):51-65. doi: 10.1016/j.chroma.2003.09.061.J Chromatogr A. 2004.PMID: 14753771