Kalmanson, D., Aigueperse, J., Veyrat, C., Cornec, C., & Chiche, P. (1974). Non-invasive technique for diagnosing congenital and acquired ventricular septal defects using directional Doppler ultrasound. Correlations with phasic flow velocity patterns of the shunt.

Kalmanson, D., J. Aigueperse, C. Veyrat, C. Cornec, and P. Chiche. Non-invasive Technique for Diagnosing Congenital and Acquired Ventricular Septal Defects Using Directional Doppler Ultrasound. Correlations With Phasic Flow Velocity Patterns of the Shunt. 1974.

Kalmanson, D., et al. Non-invasive Technique for Diagnosing Congenital and Acquired Ventricular Septal Defects Using Directional Doppler Ultrasound. Correlations With Phasic Flow Velocity Patterns of the Shunt. 1974.