1. Andersen , A. Hillestad , L. Personal communication
2. The efficacy of anticoagulant therapy in preventing embolism related to DC electrical reversion of atrial fibrillation;Bjerkelund;Amer. J. Cardiol.
3. Kinidin som årsak til paroxystisk ventrikkelflimmer;Bjerkelund;Nord. Med.,1967
4. Long-term results of conversion of atrial fibrillation by direct current countershock;Coelho;Cardiologia,1967
5. Direct current conversion of atrial fibrillation;Halmos;Brit. Heart J.,1966