title: Angiographic changes in aortocoronary vein grafts: lack of progession beyond the first year.
mesh_terms: D000792:Angiography; D001157:Arterial Occlusive Diseases / Q000000981:diagnostic imaging; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000000981:diagnostic imaging / Q000601:surgery; D003331:Coronary Vessels / Q000473:pathology; D006801:Humans; D006965:Hyperplasia; D011183:Postoperative Complications / Q000000981:diagnostic imaging; D012008:Recurrence; D012501:Saphenous Vein / Q000637:transplantation; D013997:Time Factors; D014182:Transplantation, Autologous