The duplicated saphenous vein in femoropopliteal bypass grafting.
D005263:Femoral Artery / Q000601:surgery*; D006801:Humans; D011150:Popliteal Artery / Q000601:surgery*; D012501:Saphenous Vein / Q000002:abnormalities* / Q000637:transplantation*; D014182:Transplantation, Autologous