1. A. L. Bassett and B. F. Hoffman, Ann. Rev. Pharmac. 11, 143 (1971).
2. L. Szekeres and J. GY. Papp, Prog. Drug Res. 12, 292 (1968).
3. L. Szekeres and GY. J. Papp, Experimental Cardiac Arrhythmias and Antiarrhythmic Drugs ( Akadémiai Kiado, Budapest 1971 ).
4. B. F. Hoffman and J. T. Bigger, Jr., in: Drill’s Pharmacology in Medicine (Mc Graw HÜ1, New York 1970 ), p. 824.
5. R. L. Katz and J. T. Bigger, Jr., Anesthesiology 33, 193 (1970).