1. Wildsmith JAW. Lidocaine: A more complex story than simple chemistry suggests. The Proceedings of the History of Anaesthesia Society 2011;43:9-16.
2. Wildsmith JAW. Centenary of procaine (well not really!) Reading: Conservatree Print and Design; 2005;.
3. Erdtman H, Löfgren N. Über eine neue gruppe von lokalanäthestisch wirksamen verbindungen. Svensk Kemisk Tidskrift 1946;49:163-74.
4. Pearson J. Lignocaine. 10th ed Oxford: Oxford University Press; 2001;.
5. Williams V. Classification of antiarrhythmic drugs. 1st ed Sodertaje: AB Astra; 1970;.