Gas Chromatography-Mass SpectrometryMass SpectrometryChromatography, GasSpectrum Analysis, RamanChromatography, LiquidChromatography, High Pressure LiquidVolatile Organic CompoundsSolid Phase MicroextractionMagnetic Resonance SpectroscopyMetabolomicsMetabolomeTandem Mass SpectrometryPerianal GlandsSpectrometry, Mass, Electrospray IonizationOils, VolatileVolatilizationChromatography, Thin LayerOcimum basilicumAndrostenediolsAcetic AnhydridesSubstance Abuse DetectionDeuteriumMeconiumDoping in SportsF2-IsoprostanesFatty AcidsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBiotransformationCarboxylic AcidsOxidation-ReductionReproducibility of ResultsMolecular StructureHydroxyeicosatetraenoic AcidsGasesUrinalysisMolecular Sequence DataEstersQuality ControlSteroidsCarbohydrate ConformationCarbohydrate SequenceSensitivity and SpecificityMethylationChemistryWater Pollutants, ChemicalChemical PhenomenaLipoxygenaseStereoisomerismPolycyclic Hydrocarbons, AromaticKineticsHydrolysisCattleArachidonic AcidsArachidonic AcidTime FactorsCalibrationProteomicsCytochrome P-450 Enzyme SystemLiverBiological MarkersDinoprostFatty Acids, UnsaturatedAmino Acid SequenceSpectrophotometry, UltravioletHexanesChromatography, AffinityChromatography, Ion ExchangeEucommiaceaeSpectrum AnalysisIsotope LabelingLipid MetabolismReference StandardsPentanesChromatographyChromatography, GelLimit of Detection8,11,14-Eicosatrienoic AcidProteomeCarbon IsotopesRhodiolaBreath TestsReference ValuesSpectroscopy, Near-InfraredSpectrophotometry, InfraredPeptidesCholesterolSugar AcidsFlame IonizationHydrogen-Ion ConcentrationWater PollutantsMethanolCarbon RadioisotopesGlucoseOligosaccharidesChromatography, Reverse-PhaseDose-Response Relationship, DrugTemperatureEnvironmental MonitoringProtein ConformationSugar Alcohols