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HPLC–mass spectrometry method for quantitative detection of neuroendocrine tumor markers: Vanillylmandelic acid, homovanillic acid and 5-hydroxyindoleacetic acid

Biochemistry5-Hydroxyindoleacetic AcidMedicineNatural SciencesBioanalysisMass SpectrometryBiological Mass SpectrometryNeuroendocrine DisorderAnalytical ChemistryHplc–mass Spectrometry MethodNeuroendocrine Tumor MarkersLiquid ChromatographyEndocrinologyPharmacologyRadiation OncologyEndocrine-related CancerChromatography