title: New beta-adrenergic blockers.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000494:pharmacology* / Q000627:therapeutic use; D000368:Aged; D006801:Humans; D008790:Metoprolol / Q000494:pharmacology; D009248:Nadolol; D011412:Propanolamines / Q000494:pharmacology*; D013999:Timolol / Q000494:pharmacology
chemical_list: D000319:Adrenergic beta-Antagonists; D011412:Propanolamines; D009248:Nadolol; D013999:Timolol; D008790:Metoprolol