1 Heading, R.C., Nimmo, J., Prescott, L.F. and Tothill, P. 1973. "The dependence of paracetamol absorption on the rate of gastric emptying", Br. J. Pharmacol., 47, 415-421.

2 Mayersohn, M. 1971. "Physiological Factors Influencing Drug Absorption", Can. Pharm. J., 164-169.

3 Melander, A., Danielson, K., Schersten, B. and Wahlin, E. 1977. "Enhancement of the bioavailability of propranolol and metaprolol by food", Clin. Pharmacol. Ther., 22, 108-112