Goodman and Gilman.The Pharmacologic Basis of Therapeutics . 1st ed. 1941.
2.
Roman, P.M. "Sleep Deprivation, Drug Use, and Psychiatric Disorders" American Journal of Sociology77:2 (January-May 1972): 971.
3.
Fredericks, Carlton and Goodman, Herman.Low Blood Sugar and You. New York: Constellation International.
4.
Stromberg, M. and Waldeck, B. "Further Studies on the Interaction between Caffeine and L-Doppa." Journal of Neural Transmission34:1 (1973): 61.
5.
Forney, R.M. and Hughes, F.W. "Effects of Caffeine and Alcohol on Performance under Stress of Audiofeedback . Quarterly Journal of Studies on Alcohol26 (1965): 206-212.
6.
Marks, Vincent and Kelley, J.T. "Absorption of Caffeine from Tea, Coffee, and Coca Cola." Lancet14 (April 1973).