The treatment of angina pectoris.
D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D000787:Angina Pectoris / Q000188:drug therapy; D009566:Nitrates / Q000627:therapeutic use; D009573:Nitrites / Q000627:therapeutic use
D000319:Adrenergic beta-Antagonists; D009566:Nitrates; D009573:Nitrites