References
- Booth V. H. The specificity of xanthine oxidase. Biochem. J. 1938; 32: 494
- Coombs H. J. Studies on xanthine oxidase IX The specificity of the system. Biochem. J. 1927; 21: 1259
- Fløystrup T. Pro-Xanthopterine. Copenhagen 1953, Thesis
- Jørgensen S. Hypoxanthine and xanthine accumulated in stored human blood: Determination of the relative amounts by spectrophotometry. Acta pharmacol. 1955; 11: 265
- Jørgensen S., Poulsen H. E. Enzymic determination of hypoxanthine and xanthine in human plasma and urine. Acta pharmacol. 1955; 11: 223
- Kalckar H. M., Kjeldgaard N. O., Klenow H. Xanthopterine oxidase. Biochem. biophys. Acta 1950; 5: 575
- Klenow H. The enzymic oxidation and assay of adenine. Biochem. J. 1951; 50: 404
- Plesner P., Kalckar H. M. Enzymic Micro Determination of Uric Acid, Hypoxanthine, Xanthine, Adenine and Xanthopterine by Ultraviolet Spectrophotometry. Methods of Biochemical Analysis. Interscience Publishers, Inc., New York 1956; vol. 3
- Prætorius E., Poulsen H. E. Enzymatic determination of uric acid, with detailed directions. Scand. J. clin. Lab. Invest. 1953; 5: 273
- Weissmann B., Bromberg Ph. A., Gutman A. B. The purine bases of human urine. II. Semiquantitative estimation and isotope incorporation. J. biol. Chem. 1957; 224: 423
- Wyngaarden J. B. 2.6-Diaminopurine as substrate and inhibitor of xanthine oxidase. J. biol. Chem. 1957; 224: 453