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Determination of steroids adulterated in liquid herbal medicines using QuEChERS sample preparation and high-performance liquid chromatography

Quechers Sample PreparationActive IngredientHerbal MedicineBioanalysisPharmacologyHerb-drug InteractionAnalytical ChemistryLiquid ChromatographyLiquid Herbal MedicinesMedicineSteroid MetabolismChromatographyHigh-performance Liquid ChromatographyDrug Analysis