title: Polytetrafluoroethylene grafts for leg ischemia: facts and fiction.
mesh_terms: D001807:Blood Vessel Prosthesis; D006801:Humans; D007511:Ischemia / Q000601:surgery*; D007866:Leg / Q000098:blood supply*; D011138:Polytetrafluoroethylene
chemical_list: D011138:Polytetrafluoroethylene