1. N. D. Cheronis andT. S. Ma, Organic Functional Group Analysis. New York: Wiley. 1964. p. 320.
2. F. P. Chinard andL. Hellerman, Determination of Sulfhydryl Groups in Certain Biological Substances, inD. Glock (ed.), Methods of Biochemical Analysis, Vol. 1. New York: Interscience. 1954. p. 1.
3. P. D. Boyer, J. Amer. Chem. Soc.76, 4331 (1954).
4. J. D. Gregory, J. Amer. Chem. Soc.77, 3922 (1955).
5. E. Friedmann, D. H. Marrian andI. Simon-Reves, Brit. J. Pharmacol.4, 105 (1949).