1. Ungerleider, J. T., and Fisher, D. D. ?Problems of LSD and Emotional Disorders.?Calif. Med. 106: (1967) 49?55.
2. Hollister, L. E. ?Drug-Induced Psychoses and Schizophrenic Reactions: A Critical Comparison.?Ann. N. Y. Acad. Sci. 96: (1962) 80.
3. Denber, H. C. B., and Rinkel, M. (Eds.)Chemical Concepts of Psychosis. New York: McDowell, 1958.
4. Kaplan, J.Marijuana: The New Prohibition. Cleveland: World Publishing, 1970.
5. Grinspoon, L.Marijuana Reconsidered. Boston: Harvard University Press, 1971.