title: Late changes in aortocoronary vein grafts: angiographic features.
mesh_terms: D001013:Aorta, Thoracic / Q000000981:diagnostic imaging / Q000601:surgery; D006328:Cardiac Catheterization; D003250:Constriction; D017023:Coronary Angiography; D001026:Coronary Artery Bypass; D003326:Coronary Circulation; D003331:Coronary Vessels / Q000601:surgery; D006801:Humans; D011183:Postoperative Complications; D013923:Thromboembolism / Q000000981:diagnostic imaging