echocardiography: systolic flow velocity V1/V2 ratio of prosthetic pulmonary valve at end of expiration
echocardiography: systolic flow velocity v1/v2 ratio of prosthetic pulmonary valve at end of expiration
prosthetic pulmonary valve systolic flow velocity V1/V2 ratio at end of expiration
prosthetic pulmonary valve systolic flow velocity v1/v2 ratio at end of expiration