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Osteresch B, Cramer B, Humpf HU.Osteresch B, et al.J Chromatogr B Analyt Technol Biomed Life Sci. 2016 May 1;1020:158-64. doi: 10.1016/j.jchromb.2016.03.026. Epub 2016 Mar 21.J Chromatogr B Analyt Technol Biomed Life Sci. 2016.PMID: 27046696