Gas Chromatography-Mass SpectrometryMass SpectrometryChromatography, GasChromatography, LiquidChromatography, High Pressure LiquidVolatile Organic CompoundsSolid Phase MicroextractionMetabolomicsTandem Mass SpectrometryMetabolomeSpectrometry, Mass, Electrospray IonizationPerianal GlandsOils, VolatileVolatilizationChromatography, Thin LayerOcimum basilicumAndrostenediolsSubstance Abuse DetectionAcetic AnhydridesMeconiumDeuteriumMagnetic Resonance SpectroscopyDoping in SportsF2-IsoprostanesFatty AcidsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBiotransformationCarboxylic AcidsHydroxyeicosatetraenoic AcidsReproducibility of ResultsGasesUrinalysisOxidation-ReductionQuality ControlEstersSteroidsMolecular StructureMolecular Sequence DataMethylationSensitivity and SpecificityCarbohydrate SequenceCarbohydrate ConformationWater Pollutants, ChemicalLipoxygenasePolycyclic Hydrocarbons, AromaticStereoisomerismChemistryChemical PhenomenaProteomicsArachidonic AcidsHydrolysisArachidonic AcidTime FactorsLiverBiological MarkersDinoprostCytochrome P-450 Enzyme SystemFatty Acids, UnsaturatedKineticsHexanesCattleChromatography, AffinityCalibrationChromatography, Ion ExchangeAmino Acid SequenceIsotope LabelingReference StandardsEucommiaceaeProteomeLimit of DetectionLipid MetabolismChromatographyPentanes8,11,14-Eicosatrienoic AcidChromatography, GelRhodiolaReference ValuesBreath TestsFlame IonizationCarbon RadioisotopesWater PollutantsChromatography, Reverse-PhaseCarbon IsotopesSugar AcidsDose-Response Relationship, DrugGlucoseMethanolEnvironmental MonitoringCholesterolOligosaccharidesAcetatesTerphenyl CompoundsPeptidesSolid Phase ExtractionOxidative StressMicrosomes, LiverSugar AlcoholsElectrophoresis, Gel, Two-DimensionalAmino AcidsSulfur Compounds