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Clinical Chemistry, Vol 25, 581-583, Copyright © 1979 by American Association for Clinical Chemistry
HD Fiorentina, M Grogna and F Dewiest
We describe a simple method for measuring delta-aminole-vulinic acid in urine without the need for the seldom-used but time-consuming internal- standard addition step. It combines the analytical procedure described by Tomokuni and Ogata [Clin. Chem. 18, 1534 (1972)] and a correction based on urine density to obtain, more rapidly and less expensively, results as accurate as those given by the Davis and Andelman [Arch. Environ. Health 15, 53 (1967)] chromatographic method.
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