Mark J. Friedman

The Mitral Valve Orifice Method for Noninvasive Two‐dimensional Echo Doppler Determinations of Cardiac Output

S. Goldberg, H. Allen, D. Sahn, 1983, Circulation.

The Effect of Variations on Pulsed Doppler Sampling Site on Calculation of Cardiac Output: An Experimental Study in Open‐chest Dogs

D J Sahn, S. Goldberg, H. Allen, 1983, Circulation.