title: [Graft patency and internal configuration at distal anastomosis in aortocoronary bypass surgery].
mesh_terms: D017023:Coronary Angiography; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000601:surgery*; D006801:Humans; D011184:Postoperative Period; D011379:Prognosis; D012501:Saphenous Vein / Q000637:transplantation