Quantitation of the niacin metabolites 1-methylnicotinamide and l-methyl-2-pyridone-5-carboxamide in random spot urine samples, by ion-pairing reverse-phase HPLC with UV detection, and the implications for the use of spot urine samples in the assessment of niacin status

Autor: Creeke, Paul I. *, Seal, Andrew J.
Zdroj: In Journal of Chromatography B 2005 817(2):247-253
Databáze: ScienceDirect
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