Anden, N. E., Carlson, A., Dahlstrom, A., Fuxe, K., Hillarp, N., Larsson, K.: Demonstration and mapping out of nigro neostriatal dopamine neurons. Life Sci. 3, 523–530 (1964)

Anden, N. E., Robenson, A., Fuxe, K., Hokfelt, T.: Evidence for dopamine receptor stimulation by apomorphine. J. Pharm. Pharmacol. 19, 627–629 (1967)

Carlsson, A., Waldeck, A.: A fluorometric method for the determination of dopamine. Acta physiol. scand. 44, 293–298 (1958)

Costa, E., Neff, N. H.: Isotopic and non-isotopic measurements of catecholamine biosynthesis. In: Biochemistry and pharmacology of the basal ganglia, pp. 141–156. E. Costa, L. Cote, and M. P. Yahr, Eds. New York: Raven Press 1966

Drawbaugh, R., Gianutsos, G., Hynes, M. D., Lal, H.: Self-multilation and bizarre behaviors in rats with nigrostriatal lesions given apomorphine or amphetamine: Antagonism by butyrophenones. Pharmacologist 15, 254 (1973)

Ernst, A. M.: Relation between the action of dopamine and apomorphine and their O-methylated derivatives upon the CNS. Psychopharmacologia (Berl.) 7, 391–399 (1965)

Himmelsbach, C. K.: Clinical studies of drug addiction. Physical dependence, withdrawal and recovery. Arch. intern. Med. 69, 766–772 (1942)

Himmelsbach, C. K.: Studies of the relation of drug addiction to the autonomic nervous system: Results of cold pressor test. J. Pharmacol. exp. Ther. 73, 91–98 (1941)

Khazan, N., Colasanti, B.: EEG correlates of morphine challenge in post-addict rats. Psychopharmacologia (Berl.) 22, 56–63 (1971)

Lal, H., O'Brien, J., Pitterman, A., Gianutsos, G., Reddy, C.: Aggression after amphetamines and dihydroxyphenylalanine. Fed. Proc. 31, 529 (1972)

Lal, H., O'Brien, J., Puri, S. K.: Morphine-withdrawal aggression: sensitization by amphetamines. Psychopharmacologia (Berl.) 22, 217–223 (1971)

Lal, H., Puri, S. K.: Morphine-withdrawal aggression: Role of dopaminergic stimulation. In: Drug addiction, vol. 1, pp. 301–310. J. Singh, L. H. Miller and H. Lal, Eds. Mount Kisco, N.Y.: Futura Press 1972

Martin, W. R., Jasinski, D. R.: Physiologic parameters of morphine dependence in man-tolerance, early abstinence, protracted abstinence. J. Psychiat. Res. 7, 9–17 (1969)

Martin, W. R., Jasinski, D. R., Sapira, J. D., Flanery, H. G., Kelly, O. A., Thompson, A. K., Logan, C. R.: The respiratory effects of morphine during a cycle of dependence. J. Pharmacol. exp. Ther. 162, 182–189 (1968)

Martin, W. R., Sloan, J. W.: The pathophysiology of morphine dependence and its treatment with opioid antagonists. Pharmakopsychiat. Neuro-Psychopharmak. 1, 260–270 (1968)

Martin, W. R., Wikler, A., Eades, C. G., Pescor, F. T.: Tolerance to and physical dependence on morphine in rats. Psychopharmacologia (Berl.) 4, 247–260 (1963)

Nash, P., Colasanti, B., Khazan, N.: Long-term effects of morphine on the electroencephalogram and behavior of the rat. Psychopharmacologia (Berl.) 29, 271–276 (1973)

Puri, S. K., Lal, H.: Effect of dopaminergic stimulation or blockade on morphine-withdrawal aggression. Psychopharmacologia (Berl.) 32, 113–118 (1973)

Puri, S. K., Lal, H.: Effect of morphine, haloperidol, apomorphine and benzotropine on dopamine turnover in rat corpus striatum: Evidence showing morphine induced reduction in CNS dopaminergic activity. Fed. Proc. 32, 758 (1973a)

Puri, S. K., Lal, H.: Effect of apomorphine, benzotropine or morphine on striatal dopamine turnover: Evidence for latent supersensitivity of dopaminergic receptors in morphine dependent rats. Pharmacologist 15, 247 (1973b)

Puri, S. K., Lal, H.: Reduced threshold to pain induced aggression specifically related to morphine dependence. Psychopharmacologia (Berl.) (in press) (1974)

Puri, S. K., Reddy, C. R., Lal, H.: Blockade of central dopaminergic receptors by morphine: Effect of haloperidol, apomorphine or benztropine. Res. Comm. Chem. Path. Pharmacol. 5, 389–401 (1973)

Seevers, M. H., Deneau, G. A.: Physiological aspects of tolerance and physical dependence. In: Physiological pharmacology, Vol. 1, pp. 565–640. W. S. Root and F. G. Hofmann, Eds. New York: Academic Press 1963

Spano, P. F., Neff, N. H.: Procedure for the simultaneous determination of dopamine, 3-methoxy-4-hydroxyphenylacetic acid, and 3,4-dihydroxyphenylacetic acid in brain. Analyt. Biochem. 42, 113–118 (1971)

Thor, D. H.: Chemical induction of traumatic fighting behavior. Proc. Amer. psychol. Ass. 4, 883–884 (1969)

Wikler, A.: Some implications of conditioning theory for problems of drug abuse. Behav. Sci. 16, 92–97 (1971)