Gas Chromatography-Mass SpectrometryMass SpectrometryChromatography, GasChromatography, LiquidChromatography, High Pressure LiquidVolatile Organic CompoundsSolid Phase MicroextractionMetabolomicsPolymersTandem Mass SpectrometryMetabolomePerianal GlandsSpectrometry, Mass, Electrospray IonizationOils, VolatileVolatilizationOcimum basilicumChromatography, Thin LayerAndrostenediolsAcetic AnhydridesSubstance Abuse DetectionMeconiumDeuteriumDoping in SportsF2-IsoprostanesMagnetic Resonance SpectroscopyFatty AcidsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBiotransformationCarboxylic AcidsHydroxyeicosatetraenoic AcidsGasesUrinalysisReproducibility of ResultsOxidation-ReductionEstersQuality ControlMolecular StructureSteroidsMethylationCarbohydrate ConformationCarbohydrate SequenceWater Pollutants, ChemicalMolecular Sequence DataLipoxygenasePolycyclic Hydrocarbons, AromaticStereoisomerismChemistrySensitivity and SpecificityChemical PhenomenaArachidonic AcidsHydrolysisArachidonic AcidProteomicsDinoprostCytochrome P-450 Enzyme SystemFatty Acids, UnsaturatedBiological MarkersLiverHexanesTime FactorsKineticsCattleChromatography, AffinityChromatography, Ion ExchangeAmino Acid SequenceCalibrationEucommiaceaeIsotope LabelingLipid MetabolismChromatographyChromatography, GelPentanes8,11,14-Eicosatrienoic AcidReference StandardsProteomeLimit of DetectionRhodiolaBreath TestsReference ValuesWater PollutantsFlame IonizationCarbon RadioisotopesSugar AcidsCarbon IsotopesGlucoseChromatography, Reverse-PhaseMethanolDose-Response Relationship, DrugOligosaccharidesEnvironmental MonitoringCholesterolPeptidesSugar AlcoholsAcetatesOxidative StressMicrosomes, LiverSulfur CompoundsAmino AcidsSolid Phase ExtractionMolecular Weight