title: Expanded PTFE-grafts--should they be used for myocardial revascularization?
mesh_terms: D001807:Blood Vessel Prosthesis; D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006083:Graft Occlusion, Vascular / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011138:Polytetrafluoroethylene; D011474:Prosthesis Design; D012501:Saphenous Vein / Q000637:transplantation
chemical_list: D011138:Polytetrafluoroethylene