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Isocratic ion-pair high-performance liquid chromatographic methods for the determination of uroporphyrin and coproporphyrin type II and IV isomers in human urine

Human UrineBiochemistryIv IsomersMedicineDrug PurityBioanalysisMass SpectrometryGas ChromatographyAnalytical ChemistryLiquid ChromatographyClinical ChemistryChromatographic AnalysisPharmacologyChromatographyCoproporphyrin Type IiDrug Analysis