Randomization and coronary artery surgery.
D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000601:surgery*; D003331:Coronary Vessels / Q000601:surgery*; D006801:Humans; D011183:Postoperative Complications / Q000453:epidemiology / Q000401:mortality; D012501:Saphenous Vein / Q000637:transplantation; D013895:Thoracic Arteries / Q000601:surgery; D014182:Transplantation, Autologous; D014481:United States