echocardiography: diastolic regurgitant half time of prosthetic pulmonary valve with stress
echocardiography: diastolic regurgitant half time of prosthetic pulmonary valve with stress
echocardiography: diastolic regurgitant half time of prosthetic pulmonary valve with stress
echocardiography: diastolic regurgitant half time of prosthetic pulmonary valve with stress