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Schor DS, Verhoeven NM, Struys EA, ten Brink HJ, Jakobs C.Schor DS, et al.J Chromatogr B Analyt Technol Biomed Life Sci. 2002 Nov 15;780(1):199-204. doi: 10.1016/s1570-0232(02)00406-3.J Chromatogr B Analyt Technol Biomed Life Sci. 2002.PMID: 12383496