title: Prospective comparison of polytetrafluoroethylene and bovine grafts for dialysis.
mesh_terms: D000328:Adult; D000368:Aged; D000818:Animals; D002417:Cattle; D002986:Clinical Trials as Topic; D006085:Graft Survival; D006801:Humans; D008297:Male; D008875:Middle Aged; D011138:Polytetrafluoroethylene; D011183:Postoperative Complications; D011897:Random Allocation; D006435:Renal Dialysis / Q000379:methods*; D013927:Thrombosis / Q000209:etiology; D014183:Transplantation, Heterologous / Q000379:methods; D014680:Veins / Q000637:transplantation*
chemical_list: D011138:Polytetrafluoroethylene