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Botaro VR, Curvelo AA.Botaro VR, et al. Among authors: curvelo aa.J Chromatogr A. 2009 May 1;1216(18):3802-6. doi: 10.1016/j.chroma.2009.02.039. Epub 2009 Feb 21.J Chromatogr A. 2009.PMID: 19269646