Gas Chromatography-Mass SpectrometryMass SpectrometrySpectrometry, Mass, Electrospray IonizationChromatography, GasAtmospheric PressureChromatography, LiquidChromatography, High Pressure LiquidSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationVolatile Organic CompoundsSolid Phase MicroextractionMetabolomicsTandem Mass SpectrometryMetabolomePerianal GlandsOils, VolatileVolatilizationChromatography, Thin LayerOcimum basilicumAndrostenediolsSubstance Abuse DetectionAcetic AnhydridesMeconiumDeuteriumMagnetic Resonance SpectroscopyDoping in SportsF2-IsoprostanesFatty AcidsBiotransformationCarboxylic AcidsGasesHydroxyeicosatetraenoic AcidsReproducibility of ResultsUrinalysisOxidation-ReductionEstersMolecular StructureQuality ControlSteroidsCarbohydrate SequenceMolecular Sequence DataMethylationCarbohydrate ConformationWater Pollutants, ChemicalSensitivity and SpecificityLipoxygenasePolycyclic Hydrocarbons, AromaticStereoisomerismChemistryChemical PhenomenaProteomicsHydrolysisArachidonic AcidsArachidonic AcidFlame IonizationBiological MarkersFatty Acids, UnsaturatedDinoprostCytochrome P-450 Enzyme SystemLiverHexanesCalibrationKineticsCattleTime FactorsChromatography, AffinityAmino Acid SequenceChromatography, Ion ExchangeReference StandardsEucommiaceaeProteomeIsotope LabelingLimit of DetectionLipid MetabolismAir IonizationChromatography8,11,14-Eicosatrienoic AcidPentanesChromatography, GelRhodiolaBreath TestsReference ValuesWater PollutantsMethanolChromatography, Reverse-PhaseCarbon IsotopesOligosaccharidesIonsSugar AcidsCarbon RadioisotopesPeptidesDose-Response Relationship, DrugGlucoseEnvironmental MonitoringElectrophoresis, Gel, Two-DimensionalCholesterolSolid Phase ExtractionAcetatesSugar AlcoholsMicrosomes, LiverTerphenyl Compounds