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Ramos A, Acién FG, Fernández-Sevilla JM, González CV, Bermejo R.Ramos A, et al.J Chromatogr B Analyt Technol Biomed Life Sci. 2011 Mar 1;879(7-8):511-9. doi: 10.1016/j.jchromb.2011.01.013. Epub 2011 Jan 15.J Chromatogr B Analyt Technol Biomed Life Sci. 2011.PMID: 21292571