1. Bratton, A. C., and Marshall, E. K., Jr. (1939). J. biol. Chem., 128, 537.
2. Brodie, B. B., and Axelrod, J. (1948). J. Pharmacol., 94, 22.
3. Brodie, B. B., and Axelrod, J. (1949). Ibid., 97, 58.
4. Broughton, P. M. G. (1956). Biochem., J., 63, 207.
5. In Toxicology: Mechanisms and Analytical;Curry, A.S.,1961