title: [The proper time for initiating beta-blockers in treatment of chronic heart failure].
authors.forename: Xue-si
authors.initials: XS
authors.lastname: Wu
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D000806:Angiotensin-Converting Enzyme Inhibitors / Q000627:therapeutic use; D000075202:Contraindications; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans
chemical_list: D000319:Adrenergic beta-Antagonists; D000806:Angiotensin-Converting Enzyme Inhibitors