echocardiography: regurgitant fraction of prosthetic aortic valve at end of expiration
echocardiography: regurgitant fraction of prosthetic aortic valve at end of expiration
echocardiography: regurgitant fraction of prosthetic aortic valve at end of expiration
echocardiography: regurgitant fraction of prosthetic aortic valve at end of expiration