(Q72382598)
Statements
Usefulness of dobutamine echocardiography in distinguishing severe from nonsevere valvular aortic stenosis in patients with depressed left ventricular function and low transvalvular gradients (English)
C R deFilippi
D L Willett
M E Brickner
C P Appleton
C W Yancy
E J Eichhorn
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