title: Unstable angina.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D000787:Angina Pectoris / Q000628:therapy*; D000788:Angina Pectoris, Variant / Q000188:drug therapy / Q000628:therapy*; D002304:Cardiac Pacing, Artificial; D003331:Coronary Vessels / Q000187:drug effects; D006801:Humans
chemical_list: D000319:Adrenergic beta-Antagonists