1. Acheson, G. H. (ed.): Proceed. of second Symposium on catecholamines. Pharmacol. Rev. 18, 803 (1966). Baltimore: The Williams & Wilkins.
2. Aghajanian, G. K., Bloom, F. E.: Electron-microscopic localization of tritiated norepinephrine in rat brain: effect of drugs. J. Pharmacol. exp. Ther. 156, 407–417 (1967a).
3. — —Localization of tritiated serotonin in rat brain by electron microscopic autoradiography. J. Pharmacol. exp. Ther. 156, 23–31 (1967b).
4. — — Lovell, R. A., Sheard, M. H., Freedman, D. X.: The uptake of 5-hydroxy-tryptamine-3H from the cerebral ventricles: autoradiographic localization. Biochem. Pharmacol. 15, 401–408 (1966).
5. — Foote, W. E., Sheard, M. H.: Action of psychotogenic drugs on single midbrain raphe neurons. J. Pharmacol. exp. Ther. 171, 178–187 (1970a).