Bennion, R S Patency of autogenous saphenous vein versus polytetrafluoroethylene grafts in femoropopliteal bypass for advanced ischemia of the extremity. [electronic resource] - Surgery, gynecology & obstetrics Mar 1985 - 239-42 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0039-6087 Subjects--Topical Terms: AdultAgedBlood Vessel Prosthesis--adverse effectsFemaleFemoral Vein--surgeryGraft Occlusion, Vascular--etiologyHumansIschemia--physiopathologyLeg--blood supplyMaleMiddle AgedPolytetrafluoroethylene--adverse effectsPopliteal Vein--surgeryProspective StudiesRandom AllocationRiskSaphenous Vein--transplantationSystoleTime Factors