title: Modified bolus ascending phlebography for evaluation of sapheno-femoral incompetence.
mesh_terms: D005268:Femoral Vein / Q000000981:diagnostic imaging*; D006801:Humans; D010690:Phlebography / Q000379:methods; D012501:Saphenous Vein / Q000000981:diagnostic imaging*; D014689:Venous Insufficiency / Q000000981:diagnostic imaging*