echocardiography: systolic early peak flow velocity of prosthetic pulmonary valve at end of expiration
echocardiography: systolic early peak flow velocity of prosthetic pulmonary valve at end of expiration
echocardiography: systolic early peak flow velocity of prosthetic pulmonary valve at end of expiration
echocardiography: systolic early peak flow velocity of prosthetic pulmonary valve at end of expiration