Surgical treatment of preinfarction angina.
D000787:Angina Pectoris / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D000792:Angiography; D017023:Coronary Angiography; D006801:Humans; D008722:Methods; D009203:Myocardial Infarction / Q000517:prevention & control*; D012501:Saphenous Vein / Q000637:transplantation; D014182:Transplantation, Autologous