1. Allmark, J., Rylander, G.: A new type of drug addiction (Annu en form av narkomani). Lakartidningen65, 1530?1538 (1968)
2. Balster, R. L., Schuster, C. R.: Fixed-interval schedule of cocaine reinforcement: effect of dose and infusion duration. J. Exp. Anal. Behav.20, 119?129 (1973)
3. Baxter, B. L., Gluckman, M. I., Scerni, R.: Differential self-injection behavior produced by fenfluramine versus other appetite inhibiting drugs. Fed. Proc.32, 754 (1973)
4. Bejerot, N.: Synthetic central stimulants. In: Addiction and society, pp. 67?78. Springfield, Ill. Ch. C. Thomas 1970
5. Brady, J. V., Griffiths, R. R.: Behavioral procedures for evaluating the relative abuse potential of CNS drugs in primates. Fed. Proc.35, 2245?2253 (1976)