title: Abnormal angiographic findings in patent aorto-coronary bypass grafts.
mesh_terms: D000787:Angina Pectoris / Q000000981:diagnostic imaging; D000792:Angiography; D017023:Coronary Angiography; D001026:Coronary Artery Bypass; D005500:Follow-Up Studies; D006801:Humans; D012501:Saphenous Vein / Q000473:pathology / Q000637:transplantation; D014182:Transplantation, Autologous