Interference by nalidixic acid with the estimation of 4-hydroxy-3-methoxymandelic acid in urine

Add time:08/03/2019    Source:sciencedirect.com

The nalidixic acid present in urine after the standard oral dose of 1 g every 6 h has been shown to produce an apparent increase in urinary 4-hydroxy-3-methoxymandelic acid to abnormal levels, when estimated by the method of Pisano et al.5.

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