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High-performance liquid chromatographic method for the quantitative determination of butorphanol, hydroxybutorphanol, and norbutorphanol in human urine using fluorescence detection

Human UrineFluorescence DetectionGas ChromatographyMedicineBioanalysisQuantitative DeterminationAnalytical ChemistryLiquid ChromatographyClinical ChemistryChromatographic AnalysisPharmacologyChromatographyDrug Analysis