1. Noninvasive determination of pulmonic to systemic flow ratio by pulsed Doppler echo;Stevenson, J.G.; Kawabori, I.;Circulation,1982
2. Comparison of left-to-right shunt ratios determined by pulsed Doppler/2D echo (Dop/2D) and Fick method;Meyer, R.A.; Kalavathy, A.; Korfhagen, J.C.; Kaplan, S.;Circulation,1982
3. Evaluation of pulmonary and systemic blood flow by 2-dimensional Doppler echocardiography using fast Fourier Transform spectral analysis;Goldberg, S.J.; Sahn, D.J.; Allen, H.D.; Valdes-Cruz, L.M.; Hoenecke, H.; Carnahan, Y.;Am Cardiol,1982
4. Bedside technics for the evaluation of ventricular function in man;Weissler, A.M.; Harris, W.S.; Schoenfeld, C.D.;AmJ Cardiol
5. Right and left systolic time intervals in patients with atrial septal defect measured by the ultrasonic Doppler method;Tsuda, S.; Fukushima, Yasui; K.;J Cardiogr,1982