1. Munro, H. N.: Free amino acid pools and their role in regulation. In: Mammalian protein metabolism, H. N. Munro (ed.), Vol. 4, p. 299. London: Academic Press 1970
2. Young, V. R., Scrimshaw, N. S.: The nutritional significance of plasma and urinary amino acids. In: Protein and amino acid functions, E. J. Bigwood (ed.), p. 541. Oxford: Pergamon Press 1972
3. McLaughlan, J. M.: Nutritional significance of alterations in plasma amino acids and serum proteins. In: Improvement of protein nutrition, A. E. Harper, D. M. Hegsted (eds.), p. 89. Washington D.C.: National Academy of Sciences — National Res. Council 1974
4. Rerat, A., Corring, T., Laplace, J. F.: Protein digestion and absorption. In: Protein metabolism and nutrition, D. J. A. Cole, K. N. Boorman, P. J. Buttery, D. Lewis, R. J. Neale, H. Swan (eds.), p. 97. London: Butterworths 1976
5. Harper, A. E., Benevenga, N. J., Wohlheuter, R. M.: Effects of ingestion of disproportionate amounts of amino acids. Physiol. Rev.50, 428 (1970)