β-blockers in Heart Failure

ACC/AHA Guidelines for Ambulatory Electrocardiography. Crawford et al. ACC/AHA Guidelines for Ambulatory Electrocardiography JACC VOL. 34, No. 3, September 1999:912-48 . It is important that the medical profession play a significant role in critically evaluating the use of diagnostic procedures and therapies in the management or prevention of disease. Rigorous and expert analysis of the ... ................
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