Gas Chromatography-Mass SpectrometryMass SpectrometryChromatography, GasChromatography, LiquidChromatography, High Pressure LiquidVolatile Organic CompoundsSolid Phase MicroextractionTandem Mass SpectrometryMetabolomicsMetabolomeSpectrometry, Mass, Electrospray IonizationPerianal GlandsOils, VolatileVolatilizationOcimum basilicumChromatography, Thin LayerAndrostenediolsAcetic AnhydridesSubstance Abuse DetectionMeconiumDeuteriumDoping in SportsF2-IsoprostanesMagnetic Resonance SpectroscopyFatty AcidsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBiotransformationCarboxylic AcidsHydroxyeicosatetraenoic AcidsGasesReproducibility of ResultsUrinalysisOxidation-ReductionEstersQuality ControlMolecular Sequence DataSteroidsMolecular StructureMethylationCarbohydrate SequenceCarbohydrate ConformationWater Pollutants, ChemicalLipoxygenasePolycyclic Hydrocarbons, AromaticStereoisomerismSensitivity and SpecificityChemistryChemical PhenomenaArachidonic AcidsArachidonic AcidProteomicsHydrolysisDinoprostCytochrome P-450 Enzyme SystemFatty Acids, UnsaturatedBiological MarkersLiverHexanesChromatography, AffinityTime FactorsAmino Acid SequenceCattleKineticsChromatography, Ion ExchangeCalibrationEucommiaceaeProteomeIsotope LabelingLipid MetabolismReference StandardsChromatographyPentanes8,11,14-Eicosatrienoic AcidLimit of DetectionChromatography, GelRhodiolaBreath TestsReference ValuesTandem Repeat SequencesWater PollutantsFlame IonizationSugar AcidsCarbon RadioisotopesChromatography, Reverse-PhaseCarbon IsotopesMethanolGlucoseDose-Response Relationship, DrugEnvironmental MonitoringOligosaccharidesCholesterolPeptidesMicrosomes, LiverOxidative StressAcetatesSugar AlcoholsSolid Phase ExtractionSulfur CompoundsElectrophoresis, Gel, Two-DimensionalAmino Acids