title: Beta-blockers and heart failure.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000009:adverse effects / Q000627:therapeutic use*; D002303:Cardiac Output, Low / Q000188:drug therapy*; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans; D008790:Metoprolol / Q000009:adverse effects / Q000627:therapeutic use; D011788:Quality of Life
chemical_list: D000319:Adrenergic beta-Antagonists; D008790:Metoprolol