Doppler echocardiography: left ventricular stroke volume of prosthetic aortic valve
doppler echocardiography: left ventricular stroke volume of prosthetic aortic valve
Doppler echocardiography: left ventricular stroke volume of prosthetic aortic valve (procedure)
doppler echocardiography: left ventricular stroke volume of prosthetic aortic valve (procedure)