A. Cavezzi, G. Mosti, S. Di Paolo, L. Tessari, F. Campana, and S. U. Urso, “Ultrasound-guided perisaphenous tumescence infiltration improves the outcomes of long catheter foam sclerotherapy combined with phlebectomy of the varicose tributaries”, Veins and Lymphatics, vol. 4, no. 1, Apr. 2015.