Effect of preoperative ejection fraction on survival and hemodynamic improvement following aortic valve replacement.
J D O'Toole, E A Geiser, P S Reddy, E I Curtiss, R M Landfair
Circulation. 1978;58:1175-1184Originally published December 1, 1978
J D O'Toole
E A Geiser
P S Reddy
E I Curtiss
R M Landfair