title: Intravenous beta-blockers during unstable angina and threatened infarction.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000008:administration & dosage / Q000627:therapeutic use*; D000787:Angina Pectoris / Q000188:drug therapy*; D003327:Coronary Disease / Q000145:classification; D004562:Electrocardiography; D006801:Humans; D007275:Injections, Intravenous; D009203:Myocardial Infarction / Q000517:prevention & control*; D011433:Propranolol / Q000627:therapeutic use; D013997:Time Factors
chemical_list: D000319:Adrenergic beta-Antagonists; D011433:Propranolol