title: Unstable angina pectoris: medical versus surgical treatment.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D000787:Angina Pectoris / Q000188:drug therapy / Q000601:surgery / Q000628:therapy*; D002118:Calcium / Q000037:antagonists & inhibitors; D001026:Coronary Artery Bypass; D003362:Cost-Benefit Analysis; D005069:Evaluation Studies as Topic; D006801:Humans; D007423:Intra-Aortic Balloon Pumping; D009566:Nitrates / Q000627:therapeutic use
chemical_list: D000319:Adrenergic beta-Antagonists; D009566:Nitrates; D002118:Calcium