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Direct determination of ecgonine methyl ester and cocaine in rat plasma, utilizing on-line sample extraction coupled with rapid chromatography/quadrupole orthogonal acceleration time-of-flight detection

Gas ChromatographyMedicineDrug PurityBioanalysisPhysiologyOn-line Sample ExtractionDrug TestAnalytical ChemistryPharmacologyRat PlasmaEcgonine Methyl EsterPharmacokineticsChromatographyDrug Analysis