Gas Chromatography-Mass SpectrometryMass SpectrometryChromatography, GasChromatography, LiquidChromatography, High Pressure LiquidTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationVolatile Organic CompoundsSolid Phase MicroextractionMetabolomicsMetabolomeChromatography, Thin LayerSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationPerianal GlandsOils, VolatileVolatilizationOcimum basilicumSubstance Abuse DetectionAndrostenediolsAcetic AnhydridesMeconiumMagnetic Resonance SpectroscopyDeuteriumDoping in SportsFatty AcidsF2-IsoprostanesBiotransformationChromatography, AffinityMolecular Sequence DataCarboxylic AcidsReproducibility of ResultsGasesProteomicsHydroxyeicosatetraenoic AcidsChromatography, Ion ExchangeMolecular StructureCarbohydrate SequenceOxidation-ReductionUrinalysisChromatographyEstersChromatography, GelCarbohydrate ConformationQuality ControlMethylationAmino Acid SequenceSensitivity and SpecificitySteroidsWater Pollutants, ChemicalStereoisomerismChemistryChemical PhenomenaLipoxygenaseHydrolysisProteomePolycyclic Hydrocarbons, AromaticKineticsCattleCalibrationArachidonic AcidsArachidonic AcidLiverBiological MarkersIsotope LabelingTime FactorsReference StandardsSpectrometry, Mass, Secondary IonCytochrome P-450 Enzyme SystemFatty Acids, UnsaturatedDinoprostLimit of DetectionHexanesSpectrometry, Mass, Fast Atom BombardmentChromatography, Reverse-PhaseElectrophoresis, Gel, Two-DimensionalPeptidesMolecular WeightEucommiaceaeLipid MetabolismElectrophoresis, Polyacrylamide GelOligosaccharidesSolid Phase ExtractionPentanes8,11,14-Eicosatrienoic AcidAmino AcidsCarbon IsotopesBreath TestsReference ValuesFlame IonizationMethanolCarbon RadioisotopesRhodiolaSugar AcidsWater PollutantsPeptide FragmentsDose-Response Relationship, DrugSpectrophotometry, UltravioletIsotopesEnvironmental MonitoringMicrosomes, Liver