1. Barron, E. S. G.: Thiol groups of biological importance. In Advanc. Enzymol. 1951, 201–266.
2. Boyer, P. D.: Sulfhydryl and disulfide groups of enzymes. In The Enzymes, Vol. I. ed. P. D. Boyer, H. Lardy & K. Myrbäck. Academic Press Inc., New York 1959, 511–588.
3. De, S.S.: Effect of different substances on the activity of cobra (Naja naja) haemolysin. Indian J. med. Res. 1940a, 27, 793–806.
4. De, S. S.: Reversible inactivation of haemolysin of cobra (Naja naja) venom. Indian J. med. Res. 1940b, 27, 807–817.
5. Freeman, S.: In Bone as a Tissue, ed. Κ. Rodahl, J. R. Nicolson & E. M. Brown Jr., McGraw-Hill, New York 1960, 321–322.