Gas Chromatography-Mass SpectrometryMass SpectrometryChromatography, GasChromatography, LiquidChromatography, High Pressure LiquidVolatile Organic CompoundsSolid Phase MicroextractionMetabolomicsTandem Mass SpectrometryMetabolomeCapillariesPerianal GlandsSpectrometry, Mass, Electrospray IonizationOils, VolatileVolatilizationOcimum basilicumChromatography, Thin LayerAndrostenediolsAcetic AnhydridesSubstance Abuse DetectionMeconiumDeuteriumMagnetic Resonance SpectroscopyDoping in SportsF2-IsoprostanesFatty AcidsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBiotransformationCarboxylic AcidsHydroxyeicosatetraenoic AcidsGasesReproducibility of ResultsUrinalysisOxidation-ReductionEstersQuality ControlSteroidsElectrophoresis, CapillaryMolecular StructureMethylationWater Pollutants, ChemicalMolecular Sequence DataCarbohydrate SequenceCarbohydrate ConformationLipoxygenaseStereoisomerismPolycyclic Hydrocarbons, AromaticSensitivity and SpecificityChemistryChemical PhenomenaArachidonic AcidsHydrolysisArachidonic AcidProteomicsDinoprostBiological MarkersLiverFatty Acids, UnsaturatedTime FactorsCytochrome P-450 Enzyme SystemCattleHexanesKineticsChromatography, AffinityChromatography, Ion ExchangeCalibrationAmino Acid SequenceEucommiaceaeLimit of DetectionIsotope LabelingLipid MetabolismReference StandardsChromatographyPentanesProteome8,11,14-Eicosatrienoic AcidChromatography, GelRhodiolaBreath TestsReference ValuesFlame IonizationWater PollutantsCarbon RadioisotopesCarbon IsotopesDose-Response Relationship, DrugMethanolChromatography, Reverse-PhaseSugar AcidsGlucoseCholesterolEnvironmental MonitoringOligosaccharidesCapillary ActionAcetatesAmino AcidsPeptidesOxidative StressSugar AlcoholsMicrosomes, LiverSulfur Compounds