Chromatography, GasBenzene DerivativesChromatography, Thin LayerChromatography, High Pressure LiquidFatty AcidsPemolineGasesChromatography, LiquidGas Chromatography-Mass SpectrometryChromatography, AffinityChromatography, GelChromatography, Ion ExchangeChromatographyFatty Acids, UnsaturatedMass SpectrometryMolecular WeightTandem Mass SpectrometryChromatography, Reverse-PhaseElectrophoresis, Polyacrylamide GelChromatography, DEAE-CelluloseSpectrometry, Mass, Electrospray IonizationMolecular Sequence DataSpectrophotometry, UltravioletAmino Acid SequenceIonic LiquidsKineticsChromatography, AgaroseAmino AcidsPulmonary Gas ExchangeNoble GasesHydrogen-Ion ConcentrationCalibrationReference StandardsReproducibility of ResultsBlood Gas AnalysisGas PoisoningCattleDrug StabilityChromatography, PaperChemical FractionationIndicators and ReagentsChemistrySubstrate SpecificityChemical Phenomena