Determinants of angiographic patency of aortocoronary vein bypass grafts.
D000790:Angiocardiography; D001027:Aortography; D001783:Blood Flow Velocity; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000601:surgery; D003331:Coronary Vessels / Q000601:surgery*; D005500:Follow-Up Studies; D006801:Humans