Retraction Notice to “Two-year follow-up of a n-butyl-2-cyanoacrylate glue ablation for the treatment of saphenous vein insufficiency with a novel application catheter with guiding light”

Retraction Notice to “Two-year follow-up of a n-butyl-2-cyanoacrylate glue ablation for the treatment of saphenous vein insufficiency with a novel application catheter with guiding light”