Qualitative assessment of regional left ventricular function can predict MRI or radionuclide ejection fraction: an objective alternative to eyeball estimates.
作者单位：Laboratory of Cardiac Energetics, National Heart, Lung and Blood Institute, National Institutes of Health, Bldg 10, B1D61, MSC 1061, 10 Center Drive, Bethesda, MD 20892, USA.[1]
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