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Updated: Jul 13, 2026

A Convenient Method for Extraction and Analysis with High-Pressure Liquid Chromatography of Catecholamine Neurotransmitters and Their Metabolites
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A Convenient Method for Extraction and Analysis with High-Pressure Liquid Chromatography of Catecholamine Neurotransmitters and Their Metabolites

Published on: March 1, 2018

Simultaneous determinations by theophylline and its major metabolites in urine by reversed-phase ion-pair

K T Muir, J H Jonkman, D S Tang

    Journal of Chromatography
    |November 14, 1980
    PubMed

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