echocardiography: diastolic regurgitant half time of prosthetic aortic with stress
echocardiography: diastolic regurgitant half time of prosthetic aortic with stress
echocardiography: diastolic regurgitant half time of prosthetic aortic with stress
echocardiography: diastolic regurgitant half time of prosthetic aortic with stress