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Costa SR, Bonifácio MJ, Queiroz JA, Passarinha LA.Costa SR, et al. Among authors: passarinha la.J Chromatogr B Analyt Technol Biomed Life Sci. 2011 Jun 1;879(19):1704-6. doi: 10.1016/j.jchromb.2011.03.056. Epub 2011 Apr 12.J Chromatogr B Analyt Technol Biomed Life Sci. 2011.PMID: 21543270