We found a matchYour institution may have access to this item. Find your institution then sign in to continue.Titleβ-Blocker Use for the Stages of Heart FailureAuthorsKlapholz, MarcPublicationMayo Clinic Proceedings, 2009, Vol 84, Issue 8, p718ISSN0025-6196Publication typearticleDOI10.4065/84.8.718