title: Saphenous vein grafts: Long-term patency and secondary changes in the coronary circulation.
mesh_terms: D000787:Angina Pectoris / Q000503:physiopathology / Q000601:surgery; D001026:Coronary Artery Bypass; D003326:Coronary Circulation; D003327:Coronary Disease / Q000601:surgery*; D006801:Humans