1. Geddes, I. C., Chemical structure of local anaesthetics. Brit. Journ. Anaesth. 34: 4: 229 (1962).
2. Bonica, J. J., The management ofpain. Philadelphia. Lea & Febiger. 1954.
3. Goodman, L. S., A. Gilman, The pharmacological basis of therapeutics. London - Toronto. Macmillan 1970.
4. Meymaris, E., Chemistry and physiology of local anaesthesia. Chemical anatomy the nerve membrane. Brit. J. Anaesth. Suppl. 47, p. 164 (1975).
5. Ritchie, J. M., Mechanism of action of local anaesthetic agents and biotoxins. Brit. Journ. Anaesth. Suppl. 47, 191 (1975).