1. Echocardiography of the aortic valve;Feizi, O.; Symons, C.; Yacoub, M.;British Heart Journal,1974
2. Echocardiography of the mitral valve in aortic valve disease;Pridie, R.B.; Benham, R.; Oakley, C.M.;British Heart journal,1971
3. Haemodynamic effects of severe aortic regurgitation;4I2. Wright, J. L., Toscano-Barboza, E., and Brandenburg, R. 0.;British Heart journal; Proceedings of the Staff Meetings of the Mayo Clinic; Left ventricular and aortic pressure pulses in aortic valvular disease,1956