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Michaud V, Simard C, Turgeon J.Michaud V, et al.J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Jun 1;852(1-2):611-6. doi: 10.1016/j.jchromb.2007.02.044. Epub 2007 Mar 12.J Chromatogr B Analyt Technol Biomed Life Sci. 2007.PMID: 17379582