Coronary bypass surgery for unstable angina.
D000787:Angina Pectoris / Q000601:surgery*; D000789:Angina, Unstable / Q000401:mortality / Q000601:surgery*; D000792:Angiography; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000150:complications; D006801:Humans; D009203:Myocardial Infarction / Q000175:diagnosis / Q000209:etiology; D016276:Ventricular Function