preferred_name: echocardiography: D-E leaf flow velocity of mitral valve at end of expiration
preferred_name_lc: echocardiography: d-e leaf flow velocity of mitral valve at end of expiration
label: echocardiography: D-E leaf flow velocity of mitral valve at end of expiration
label_lc: echocardiography: d-e leaf flow velocity of mitral valve at end of expiration