1. Hemodynamic determinations of pulmonary valve motion during systole in experimental pulmonary hypertension;Tahara, M.; Tanaka, H.; Nakao, S.;Circulation,1981
2. Noninvasive detection of shunt flow in atrial septal defect with a compound of the ultrasonic pulsed Doppler technique and cross-sectional echocardiography;Sakakibara, H.; Miyatake, K.; Kinoshita, N.; etal;J Cardiogr,1980
3. Pulmonary flow velocity patterns in patients with pulmonary hypertension: a study using pulsed Doppler echocardiography combined with twodimensional echocardiography;I.;J Cardiogr,1981
4. Pulmonary flow velocity pattern in patients with pulmonary hypertension: a study using pulsed Doppler echocardiography;Matsuda, M.; Sugishita, T.; Yamaguchi, T.; etal;J7pn Circ J,1981
5. Noninvasive evaluation of pulmonary hypertension by a pulsed Doppler technique;Kitabatake, A.; Inoue, M.; Asao, M.; etal;Circulation,1983