1. The diagnostic use of ultrasound in heart diseases;Edler, I.;Acta Medica Scandinavica,1955
2. Echocardiography;Feigenbaum, H.,1976
3. Ultrasound diagnosis of pericardial effusion;Feigenbaum, H.; Waldhausen, J.A.; Hyde, L.P.,1965
4. Feigenbaum, H., Zaky, A., and Grabhorn, L. L. (1966).
5. Electrical and mechanical altemation in pericardial effusion;Gabor, G.E.; Winsberg, F.; Bloom, H.S.;Chest,1971