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Integration of ion-exchange chromatography fractionation with reversed-phase liquid chromatography-atmospheric pressure chemical ionization mass spectrometer and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry for isolation and identification of compounds in Psoralea corylifolia

BiochemistrySeparation ScienceMedicineGas ChromatographyMass SpectrometryIon-exchange Chromatography FractionationPsoralea CorylifoliaAnalytical ChemistryLiquid ChromatographyChromatographic AnalysisPharmacologyChromatographyDrug Analysis