References
- Barone, J.J. & Roberts, H. (1984): Human consumption of caffeine. In Caffeine, pp. 59-73 (P. B. Dews, editor). Springer-Verlag, Berlin Heidelberg.
- Bruce, M. & Lader, M. (1986): Caffeine: Clinical and experimental effects in humans. Hum. Psychopharmacol. 1, 63–82.
- Bruce, M., Scott, N.R., Lader, M. & Marks, V. (1986): The psychopharmacological and electrophysiological effects of single doses of caffeine in healthy human subjects. Br. J. Clin. Pharmacol. 22, 81-87.
- Bunker, M.L. & McWilliams, M. (1979): Caffeine content of common beverages. J. Am. Diet. Ass. 74, 23–81.
- Burgh, A.W. (1975): How much caffeine in the cup Tea and Coffee Trade Journal 147, 40–42.
- Conway, T.L., Vickers, R.R., Ward, H.W. & Rahe, R.H. (1981): Occupational stress and variation in cigarette, coffee, and alcohol consumption. J. Health Soc. Behav. 22, 155–165.
- Dews, P.B. (1982): Caffeine. Ann. Rev. Nutr. 2, 323–341.
- Dreisbach, R.H. & Pfeiffer, C. (1943): Caffeine-withdrawal headache. J. Lab. Clin. Med. 28, 1212–1218.
- Galliano, S.J. (1982) Caffeine consumption in psychiatric patients. M.Phil. Thesis, University of London.
- Gilbert, R.M. (1981): Caffeine: overview and anthology. In Nutrition and behaviour, pp 145-166 (S.A. Miller, editor). Franklin Institute Press, Philadelphia.
- Graham, D.M. (1978): Caffeine: its identify, dietary sources, intake and biological effects. Nutr. Rev. 36, 97–102.
- Greden, J.F., Bruce, S.V., Fontaine, P. & Lubetsky, M. (1980) Caffeine-withdrawal headache: a clinical profile. Psychosomatics 21, 411–418.
- Istvan, J. & Matarazzo, J.D. (1984): Tobacco, alcohol and caffeine use: a view of their inter-relationships. Psychol. Bull. 95, 301–326.
- Koslowski, L.T. (1976): Effects of caffeine on coffee drinking. Nature 264, 354–355.
- Little, A.D. (1977): Comments on the health aspects of caffeine, especially the contribution of soft drinks with particular reference to the report of the Select Committee on GRAS substances. Little Inc., Cambridge, Mass.
- Morgan, K.J., Stults, V.J. & Zabik, M.E. (1982) Amount and dietary sources of caffeine and saccharin intake by individuals aged 5 to 18 years. Regu. Toxicol. Pharmacol. 2, 296–307.
- Pao, E.M., Fleming, K.H., Guenther, P.M. & Mickle, S.J. (1982): Foods commonly eaten by individuals: amount per day and eating occasion. USDA Home Economics Research Report No. 44) US Government Printing Office, Washington.
- Sawyer, D.A. Julia, H.L. & Turin, A.C. (1982): Caffeine and human behaviour: arousal, anxiety and performance effect. J. Behav. Med. 5, 415–439.
- Scott, N.R., Chakraborty, J. & Marks, V. (1986): Determination of caffeine, theophylline and theobromine in serum and saliva using high-performance liquid chromatography. Ann. Clin. Biochem. 21, 120–124.
- Weidner, G. & Istvan, J. (1985): Dietary sources of caffeine. New Engl. J. Med. 22, 1421p.
- Zoumas, B.L., Kreiser, W.R. & Martin, R.A. (1980): Theobromine and caffeine content of chocolate products. J. Food Sci. 45, 314–316.