Oxygen Kinetics and Heart Rate Response during Early Recovery from Exercise in Patients with Heart Failure.

Cardiol Res Pract · 2012 · PMC3270536 · PMID 22312564

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did not reach statistical significanceno p-value reported

However, in this study the difference did not reach statistical significance, probably because of the relatively low dose of ß-blockers used (about 1/4 to 1/8 of the currently maximal recommended dose).

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