title: [Late postoperative evaluation of blood flow in coronary artery bypass grafts].
mesh_terms: D000368:Aged; D001026:Coronary Artery Bypass; D003326:Coronary Circulation; D003327:Coronary Disease / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D014654:Vascular Patency