1. American Council on Science and Health (1983) The health effects of caffeine, 2nd edn. New York
2. Barone JJ (1981) Consumption and the Food and Drug Administration’s proposal to remove caffeine in cola beverages from the list of substances generally recognized as safe (Docket No. 80 N-0418). Coca-Cola, Atlanta
3. Burg AW (1975) How much caffeine in the cup. Tea Coffee Trade J 147/1: 40–42, 88
4. A report to the Food and Drug Administration by the Select Committee on GRAS substances (FASEB/SCOGS);Federation of American Societies for Experimental Biology,1978
5. Food and Drug Administration (1980a) Caffeine: Deletion of GRAS status, proposed declaration that no prior sanction exists, and use on an interim basis pending additional study. Fed Regist 45/205: 69817–69838