Fernstrom, J.D., Fernstrom, M.H. & Gillis, M.A. (1983). Acute effects of aspartame on large neutral amino acids and monoamines in rat brain. Life Sci., 32, 1651-1658.
2.
Gibson, C.J., Deikel, S.M., Young, S.N. & Binick, Y.M. (1982). Behavioural and biochemical effects of tryptophan, tyrosine and phenylalanine in mice. Psychopharmacology, 76 (Part 2), 118-121.
3.
Ishii, H. (1981). Incidence of brain tumours in rats fed aspartame . Toxicology Lett., 7, 433-437.
4.
Ishii, H., Koshimizu, T., Usami, S. & Fujimoto, T. (1981). Toxicity of aspartame and its diketopiperazine for Wistar rats by dietary administration for 104 weeks. Toxicology, 21, 91-94.
5.
Joint FAO/WHO Expert Committee on Food Additives (1980). Toxicological evaluation of certain food additives . WHO Food Additive Series, No. 15, pp. 18-86. Geneva: World Health Organization.
6.
Thurmond, J.B., Kramarcy, N.R., Lasley, S.M. & Brown, J.W. (1980). Dietary amino acid precursors: effects on central monoamines, aggression and locomotor activity in the mouse. Pharmacol. Biochem. Behav., 12, 525-523.
7.
Wurtman, R.J. (1983). Neurochemical changes following high-dose aspartame with dietary carbohydrates. N. Engl. J. Med., 309, 429-430.
