Which β-blocker for heart failure?
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PII: S0002-8703(03)00885-8
doi:10.1016/j.ahj.2003.12.021
© 2004 Mosby, Inc. All rights reserved.
PII: S0002-8703(03)00885-8
doi:10.1016/j.ahj.2003.12.021
© 2004 Mosby, Inc. All rights reserved.