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Determination of phenylbutazone and oxyphenbutazone in plasma and urine samples of horses by high-performance liquid chromatography and gas chromatography-mass spectrometry

MedicinePhysiologyVeterinary ScienceVeterinary ResearchVeterinary DiagnosticsToxicologyAnalytical ChemistryUrine SamplesGas Chromatography-mass SpectrometryPharmacologyChromatographyHigh-performance Liquid ChromatographyDrug Analysis