Emergency myocardial revascularization in preinfarction angina.
D000328:Adult; D000787:Angina Pectoris / Q000601:surgery*; D001026:Coronary Artery Bypass; D004691:Endarterectomy; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000517:prevention & control*; D009204:Myocardial Revascularization; D012501:Saphenous Vein; D014182:Transplantation, Autologous; D014680:Veins / Q000637:transplantation*