1. Adler, M. W., Bendotti, C., Ghezzi, D., Samanin, R., and Valzelli, L., 1975a, Dependence on morphine in differentially housed rats, Psychopharmacologia41:15–18.
2. Adler, M. W., Mauron, C., Samanin, R., and Valzelli, L., 1975b, Morphine analgesia in grouped and isolated rats, Psychopharmacologia41:11–14.
3. Anand, B. K., and Dua, S., 1956, Electrical stimulation of the limbic system of brain (visceral brain) in the waking animals, Indian J. Med. Res.44:107–119.
4. Balazs, T., Murphy, J. B., and Grice, H. C., 1962, The influence of environmental changes on the cardiotoxicity of isoprenoline in rats, J. Pharm. Pharmacol.14:750–755.
5. Barratt, E. S., and Pray, S. L., 1965, Effect of a chemically depressed amygdala on the behavioral manifestations produced in cats by LSD-25, Exp. Neurol.12:173–178.