Quantitative analysis of catecholamines and their metabolites in human urine by gas chromatography - mass spectrometry as a screening method for sympatho-adrenal tumors
The endogenous catecholamines and their metabolites play an integral role in establishing the presence or absence of a suspected sympatho-adrenal tumor. Highly elevated metabolites excreted in the urine are indicative of a tumor. For this reason numerous analytical methods has been developed to accu...
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2013
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| Online Access: | http://hdl.handle.net/2263/22790 http://upetd.up.ac.za/thesis/available/etd-02242009-104512/ |