title: Effects of knee flexion on the in situ femoropopliteal vein bypass graft.
mesh_terms: D005268:Femoral Vein / Q000601:surgery*; D006801:Humans; D007719:Knee Joint / Q000502:physiology*; D009068:Movement; D011152:Popliteal Vein / Q000601:surgery*; D014680:Veins / Q000637:transplantation*