echocardiography: systolic ejection time of prosthetic aortic valve at end of expiration
echocardiography: systolic ejection time of prosthetic aortic valve at end of expiration
echocardiography: systolic ejection time of prosthetic aortic valve at end of expiration
echocardiography: systolic ejection time of prosthetic aortic valve at end of expiration