1. New Methods for Evaluating Stimulants and Antidepressants;Stein,1962
2. Self-stimulation of the brain and the central stimulant action of amphetamine;Stein;Fed. Proc.,1984
3. Stein, L.: Psychopharmacological aspects of mental depression. Canad. J. Psychiat., in press.
4. Effects and Interactions of Imipramine, Chiorpromazine, Reserpine and Amphetamine on Self-Stimulation: Possible Neurophysiological Basis of Depression;Stein,1962
5. The stimulating action of benzedrine sulfate;Davidoff;J. A. M. A.,1937