Gas Chromatography-Mass SpectrometryMass SpectrometryChromatography, GasChromatography, LiquidChromatography, High Pressure LiquidVolatile Organic CompoundsSolid Phase MicroextractionMetabolomicsTandem Mass SpectrometryMetabolomePerianal GlandsSpectrometry, Mass, Electrospray IonizationOils, VolatileSubstance Abuse DetectionVolatilizationOcimum basilicumChromatography, Thin LayerAndrostenediolsAcetic AnhydridesMeconiumDeuteriumDoping in SportsMagnetic Resonance SpectroscopyF2-IsoprostanesFatty AcidsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBiotransformationCarboxylic AcidsHydroxyeicosatetraenoic AcidsGasesOxidation-ReductionUrinalysisReproducibility of ResultsEstersQuality ControlSteroidsMolecular StructureChemistryChemical PhenomenaMethylationMolecular Sequence DataFlame IonizationWater Pollutants, ChemicalCarbohydrate ConformationCarbohydrate SequenceLipoxygenasePolycyclic Hydrocarbons, AromaticStereoisomerismSensitivity and SpecificityArachidonic AcidsHot TemperatureArachidonic AcidHydrolysisMicroscopy, ElectronProteomicsDinoprostCytochrome P-450 Enzyme SystemLiverFatty Acids, UnsaturatedBiological MarkersElectronsKineticsTime FactorsHexanesCattleMycolic AcidsChromatography, AffinityChromatography, Ion ExchangeAmino Acid SequenceEucommiaceaeCalibrationLipid MetabolismIsotope LabelingChromatographyPentanes8,11,14-Eicosatrienoic AcidProteomeReference StandardsChromatography, GelMicroscopy, Electron, ScanningLimit of DetectionRhodiolaElectron TransportZeolitesPolycyclic CompoundsBiofuelsBreath TestsReference ValuesWater PollutantsSugar AcidsCarbon RadioisotopesCarbon IsotopesMethanolMethanococcalesChromatography, Reverse-PhaseDose-Response Relationship, DrugFiresGlucoseCholesterolEnvironmental Monitoring