Saphenous vein coronary artery bypass in patients with "preinfarction angina".
D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis / Q000401:mortality / Q000601:surgery*; D000790:Angiocardiography; D002306:Cardiac Volume; D001026:Coronary Artery Bypass / Q000401:mortality; D004562:Electrocardiography; D004691:Endarterectomy / Q000401:mortality; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000401:mortality / Q000517:prevention & control*; D012501:Saphenous Vein / Q000601:surgery