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2009 Focused Updates: ACC/AHA Guidelines for STEMI and ACC/AHA/SCAI Guidelines for PCI

2009 ACCF/AHA Focused Update on Perioperative Beta Blockade Incorporated Into the ACC/AHA 2007 Guidelines on Perioperative Cardiovascular Evaluation and Care for Noncardiac Surgery

ACC 2009 Advocacy Position Statement: Principles for Comparative Effectiveness Research

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Figure 3 Correlations of changes in rate of oxygen uptake increase per work rate ( ${Delta}$ VO₂/ ${Delta}$ WR) versus tau recovery and brachial artery hyperemia versus tau recovery, at baseline and after sildenafil, in patients with chronic heart failure.

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