1. The electrocardiogram as a safeguard in pericardiocentesis;Bishop, L.H.; Estes, E.H.; McIntosh, H.D.;J. Amer. med. Ass,1956
2. The Heart;Hurst, J.W.; Logue, R.B.,1966
3. Pericarditis and the sinus node;James, T.N.;Arch. intern. Med,1962
4. Chronic pericardial effusion with cholesterol crystals. A case-report together with the description of a simple and safe technique for pericardial aspiration;Livesley, B.; Jack, G.D.;Lancet,1965
5. Pericardiocentesis with the aid of a plastic catheter and ECG monitor;Schaffer, A.I.;Amer. J. Cardiol,1959