title: Update on metoprolol.
mesh_terms: D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008790:Metoprolol / Q000627:therapeutic use*; D011412:Propanolamines / Q000627:therapeutic use*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D011412:Propanolamines; D008790:Metoprolol