Quantification of left ventricular volumes by two-dimensional echocardiography: a simplified and accurate approach.
F A Tortoledo, M A Quinones, G C Fernandez, A D Waggoner, W L Winters
Circulation. 1983;67:579-584Originally published March 1, 1983
F A Tortoledo
M A Quinones
G C Fernandez
A D Waggoner
W L Winters