title: Indications and results of surgery in unstable angina and Prinzmetal's variant angina.
mesh_terms: D000787:Angina Pectoris / Q000175:diagnosis / Q000601:surgery* / Q000628:therapy; D000788:Angina Pectoris, Variant / Q000175:diagnosis / Q000601:surgery / Q000628:therapy; D006328:Cardiac Catheterization; D006801:Humans; D007432:Intraoperative Period; D009203:Myocardial Infarction / Q000517:prevention & control; D011184:Postoperative Period