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BACKGROUND Chronically dysfunctional myocardium may improve after coronary revascularization. This condition was thought to be due to a chronically reduced myocardial blood flow (MBF). Recently,(More)
BACKGROUND beta-adrenergic receptor antagonism with drugs like carvedilol slows the progression of heart failure by an undefined mechanism. (123)I-metaiodobenzylguanidine (MIBG) is an analog of(More)
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