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Hollow fiber-based liquid-phase microextraction combined with on-line sweeping for trace analysis of Strychnos alkaloids in urine by micellar electrokinetic chromatography

BiochemistrySeparation ScienceMedicineDrug PurityBioanalysisMass SpectrometryGas ChromatographyMicellar Electrokinetic ChromatographyAnalytical ChemistryLiquid ChromatographyOn-line SweepingChromatographic AnalysisPharmacologyStrychnos AlkaloidsChromatographyDrug Analysis