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Simultaneous assay of sildenafil and desmethylsildenafil in human plasma using liquid chromatography–tandem mass spectrometry on silica column with aqueous–organic mobile phase

EngineeringGas ChromatographyMedicineBioanalysisMass SpectrometrySimultaneous AssayHuman PlasmaAnalytical ChemistryLiquid ChromatographyChromatographic AnalysisPharmacologySilica ColumnBiomolecular EngineeringChromatographyDrug Analysis