Doppler tissue imaging in congestive heart failure patients due to diastolic or systolic dysfunction: a comparison with Doppler echocardiography and the atrio-ventricular plane displacement technique. - Jarnert, Christina; Mejhert, Märit; Ring, Margareta; Persson, Hans; Edner, Magnus; Jarnert, C; Mejhert, M; Ring, M; Persson, H; Edner, M (European Journal of Heart Failure, 2000)