Estimating Left Ventricular Ejection Fraction from Two‐Dimensional Echocardiograms: Visual and Computer‐Processed Interpretations

Reproducibility of left ventricular volumes by two-dimensional echocardiography

1983 • 190 citations

Reproducibility of quantitative two-dimensional echocardiography

1988 • 165 citations

Sources of variability in echocardiographic measurements

1980 • 63 citations