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Petsalo A, Turpeinen M, Pelkonen O, Tolonen A. Analysis of nine drugs and their cytochrome P450-specific probe metabolites from urine by liquid chromatography-tandem mass spectrometry utilizing sub 2 microm particle size column. J Chromatogr A. 2008 Dec 26;1215(1-2):107–15. doi: 10.1016/j.chroma.2008.10.122. PMID: 19019380. |