1. Benjamin, M. M., Outline of Veterinary Clinical Pathology, 2nd ed., p. 129, Iowa State University Press, Ames, 1961.
2. Cornelius, C. E., Liver function, in: Clinical Biochemistry of Domestic Animals (Cornelius, C. E., and Kaneko, J. J., eds), p. 228, Academic Press, New York, 1966.
3. Medway, W. M., Prier, J. E., and Wilkinson, J. S. (eds.),,A Textbook of Veterinary Clinical Pathology, p. 49, Williams & Wilkins, Baltimore, 1969.
4. Coles, E. H., Veterinary Clinical Pathology, p. 158, W. J. Saunders, Philadelphia, 1967.
5. Freedland, R. A., and Kramer, J. W., Use of serum enzymes as aids to diagnosis, Adv. Vet. Sci. Comp. Med., 14, 61, 1970.