1. “Physiological activity of nucleic acid.”;DBUBY;Physiol. Rev.,1936
2. “The uric acid problem.”;FOLIN;J. Biol. Ghent.,1924
3. JOHNSON, T. B. (1938), “Pyrimidines, Purines and Nucleic Acids.” Organic Chemistry. Ed. by H. Gilman. London.
4. JONES, W. (1920), “Nucleic Acids.” 2nd Ed., Monographs on Biochemistry. London.
5. LEVENE, P. A., and L. W. BASS (1931), “Nucleic Acids.” American Chemical Monographs. New York.