title: [Betablockers in heart failure. If they are so good, why aren't they being used?].
authors.forename: Manuel
authors.initials: M
authors.lastname: Martínez-Sellés
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D004363:Drug Utilization; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans
chemical_list: D000319:Adrenergic beta-Antagonists