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Stable isotope dilution high-performance liquid chromatography–electrospray ionization mass spectrometry method for endogenous 2- and 4-hydroxyestrones in human urine

Human UrineBiochemistryGas ChromatographyMedicineBioanalysisMass SpectrometryAnalytical ChemistryLiquid ChromatographyClinical ChemistryChromatographic AnalysisPharmacologyHuman MetabolismChromatography