Gas Chromatography-Mass SpectrometryChromatography, GasMass SpectrometryFlame IonizationTrimipramineChromatography, High Pressure LiquidChromatography, LiquidFatty AcidsVolatile Organic CompoundsSolid Phase MicroextractionMetabolomicsVolatilizationTandem Mass SpectrometryMetabolomeFatty Acids, UnsaturatedSpectrometry, Mass, Electrospray IonizationCapillariesPerianal GlandsChromatography, Thin LayerReproducibility of ResultsOils, VolatileOcimum basilicumAndrostenediolsSensitivity and SpecificityAcetic AnhydridesSubstance Abuse DetectionMeconiumDeuteriumDoping in SportsMagnetic Resonance SpectroscopyF2-IsoprostanesTemperatureSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationBiotransformationCarboxylic AcidsHydroxyeicosatetraenoic AcidsGasesStereoisomerismSecobarbitalUrinalysisPesticide ResiduesOxidation-ReductionQuality ControlEstersBupleurumSteroidsElectrophoresis, CapillaryMolecular StructureMethylationNordazepamCarbohydrate SequenceMolecular Sequence DataCarbohydrate ConformationWater Pollutants, ChemicalReference StandardsLipoxygenasePolycyclic Hydrocarbons, AromaticZiziphusChemistryChemical PhenomenaArachidonic AcidsArachidonic AcidHydrolysisProteomicsBiological MarkersDinoprostLiverTime FactorsCytochrome P-450 Enzyme SystemHexanesCattleChromatography, AffinityKineticsChromatography, Ion ExchangeCalibrationAmino Acid SequenceIndicators and ReagentsEucommiaceaeToxicologyLimit of DetectionAlcoholsIsotope LabelingLipid MetabolismChromatographyProteomePentanes8,11,14-Eicosatrienoic AcidChromatography, GelRhodiolaBreath TestsReference ValuesChromatography, Reverse-PhaseWater PollutantsCarbon RadioisotopesMethanolSugar AcidsCarbon IsotopesDose-Response Relationship, DrugGlucoseCholesterol