Illogical use of saphenous veins for aortocoronary bypass grafting.
D000368:Aged; D001026:Coronary Artery Bypass / Q000009:adverse effects / Q000379:methods*; D006083:Graft Occlusion, Vascular / Q000209:etiology*; D006801:Humans; D008297:Male; D012501:Saphenous Vein / Q000473:pathology* / Q000637:transplantation; D012598:Sclerosis