Gas Chromatography-Mass SpectrometryChromatography, GasMass SpectrometrySolid Phase MicroextractionVolatilizationChromatography, High Pressure LiquidFlame IonizationChromatography, LiquidFlame RetardantsVolatile Organic CompoundsGasesMetabolomicsTandem Mass SpectrometryMetabolomePerianal GlandsSpectrometry, Mass, Electrospray IonizationOils, VolatileReference StandardsOcimum basilicumChromatography, Thin LayerAndrostenediolsSubstance Abuse DetectionAcetic AnhydridesSolventsMeconiumFatty AcidsDeuteriumDoping in SportsF2-IsoprostanesMagnetic Resonance SpectroscopySpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBiotransformationCarboxylic AcidsReproducibility of ResultsQuality ControlHydroxyeicosatetraenoic AcidsUrinalysisSensitivity and SpecificityCalibrationOxidation-ReductionAcids, NoncarboxylicEstersSteroidsWater Pollutants, ChemicalMolecular StructureMethylationCarbohydrate ConformationCarbohydrate SequenceMolecular Sequence DataLipoxygenasePolycyclic Hydrocarbons, AromaticChromatography, Ion ExchangeEnvironmental MonitoringStereoisomerismChemistryChemical PhenomenaArachidonic AcidsArachidonic AcidHydrolysisNitric AcidHalogenated Diphenyl EthersProteomicsDinoprostLiverFatty Acids, UnsaturatedPolybrominated BiphenylsCytochrome P-450 Enzyme SystemBiological MarkersHexanesTime FactorsChromatography, AffinityCattleKineticsHydrocarbons, BrominatedEucommiaceaeAmino Acid SequenceLimit of DetectionLipid MetabolismIsotope LabelingAutoanalysisPentanesChromatography8,11,14-Eicosatrienoic AcidProteomeChromatography, GelRhodiolaAirBreath TestsReference ValuesWater PollutantsDose-Response Relationship, DrugSugar AcidsCarbon RadioisotopesCarbon IsotopesMethodsChromatography, Reverse-PhaseMethanolGlucoseCholesterolOligosaccharides