1. Echocardiographic manifestations of valvular vegetations (abstr);Dillon;Am J Cardiol,1973
2. Echocardiography;Feigenbaum,1972
3. Echocardiography of the mitral valve in aortic valve disease;Pridle;Br Heart J,1971
4. Mitral and aortic valve movements recorded by an ultrasonic echo method. An experimental study;Edler;Acta Med Scand,1961
5. Echocardiography of the normal and diseased aortic valve;Gramlak;Radiology,1970