Gas Chromatography-Mass SpectrometryMass SpectrometryChromatography, GasChromatography, LiquidChromatography, High Pressure LiquidMagnetic Resonance SpectroscopyVolatile Organic CompoundsSolid Phase MicroextractionMetabolomicsSpectrometry, Mass, Electrospray IonizationTandem Mass SpectrometrySpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationMolecular StructureMetabolomePerianal GlandsChromatography, Thin LayerProteomicsOils, VolatileVolatilizationOcimum basilicumAndrostenediolsAcetic AnhydridesSubstance Abuse DetectionMeconiumDeuteriumDoping in SportsF2-IsoprostanesBiotransformationFatty AcidsCarboxylic AcidsReproducibility of ResultsOxidation-ReductionHydroxyeicosatetraenoic AcidsStereoisomerismAlgorithmsGasesMolecular Sequence DataChemistryEstersChemical PhenomenaUrinalysisSpectrophotometry, InfraredCarbohydrate SequenceQuality ControlSteroidsCarbohydrate ConformationSensitivity and SpecificitySpectrophotometry, UltravioletMethylationHydrolysisWater Pollutants, ChemicalLipoxygenasePolycyclic Hydrocarbons, AromaticSpectrometry, Mass, Fast Atom BombardmentAmino Acid SequenceCytochrome P-450 Enzyme SystemCattleArachidonic AcidsKineticsArachidonic AcidProteomeCalibrationBiological MarkersDinoprostFatty Acids, UnsaturatedLiverTime FactorsHexanesChromatography, AffinityChromatography, Ion ExchangeChromatographyReference StandardsPeptidesPlant ExtractsEucommiaceaeIsotope LabelingLipid MetabolismIndicators and ReagentsPentanesChromatography, GelMicrosomes, LiverLimit of Detection8,11,14-Eicosatrienoic AcidCarbon IsotopesRhodiolaReference ValuesBreath TestsSpectrum AnalysisGlycosidesWater PollutantsFlame IonizationMolecular WeightCarbon RadioisotopesSugar AcidsChromatography, Reverse-PhaseMethanol3,4-MethylenedioxyamphetamineGlucoseDose-Response Relationship, DrugIons