1. The mitral valve orifice method for noninvasive two-dimensional echo Doppler determinations of cardiac output;Fisher, D.C.; Sahn, D.J.; Friedman, M.J.;Circulation,1983
2. Noninvasive Doppler determination of cardiac output in man. Clinical validation;Huntsman, L.L.; Stewart, D.K.; Barnes, SR, Franklin; SB, Colocousis; JS, Hessel; E.A.;Circulation,1983
3. Transcutaneous aortovelography. A new window on the circulation?;Light, H.;Br HeartJ,1976
4. Doppler ultrasound measurement of cardiac output: transcutaneous aortovelography. Br j Hosp Med;Rawles, J.M.; Haites, N.E.,1984
5. Determination of cardiac output by Doppler echocardiography;Ihlen, H.; Amlie, J.P.; Dale, J.;Br Heart J,1984