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(Circulation. 1973;48:970.)
© 1973 American Heart Association, Inc.

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Correction

Eckberg DL et al.: Circulation 47: 1252, 1973. On page 1253, the formula should read

[See Equation in PDF File]

where P = intracavitary pressure in g/cm², r₁ = internal left ventricular cavity radius, h = wall thickness at the minor left ventricular circumference, and L = long axis of the left ventricle.