title: Beta blockers: are they difficult to use in heart failure patients.
authors.forename: M
authors.initials: M
authors.lastname: Klibaner
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans
chemical_list: D000319:Adrenergic beta-Antagonists