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Quantification of nitrite and nitrate in human urine and plasma as pentafluorobenzyl derivatives by gas chromatography—mass spectrometry using their 15N-labelled analogs

Human UrineBiochemistryGas ChromatographyNatural SciencesBioanalysisMass SpectrometryAnalytical ChemistryClinical ChemistryChemistryGas Chromatography—mass SpectrometryMedicine15N-labelled AnalogsChromatography