1. Allison, J.B., Anderson, J.A. and Seeley, R.D. (1947) . Some effects of methionine on the utilization of nitrogen in the adult dog. J. Nutrition 33, 361–370.
2. Ashida, K. and Yoshida, A. (1975). Nutritional specificities of essential amino acids and relationships to evaluation of the nutritional quality of dietary proteins. Proceedings of Ninth Inter. Congr. Nutr., Mexicotheir, 1972. 3, 321–331. (Karger, Basel)
3. Block and Mitchell (1946–47) . The correlation of the amino acid composition of proteins with their nutritive value. Nutr. Abst. Rev., 16, 249–278.
4. Brusl, M. , Willman, W. and Swanson, P.P.(1947) . Amino acids in nitrogen metabolism with particular reference to the role of methionine. J. Nutrition 33, 389–410.
5. Kenney, F.T. (1963) . Mechanism of hormonal control of rat liver tyrosine transaminase. Adv. Enz. Regulation(Weber, G., editor) , Pergmon Press, Oxford. 1, 137–150.