title: Drugs and the elderly; beta blockers and calcium channel blockers.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000009:adverse effects / Q000627:therapeutic use*; D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy*; D001145:Arrhythmias, Cardiac / Q000188:drug therapy; D002121:Calcium Channel Blockers / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans
chemical_list: D000319:Adrenergic beta-Antagonists; D002121:Calcium Channel Blockers