Radiofrequency endovenous obliteration versus stripping of the long saphenous vein in the management of primary varicose veins: 3-year outcome of a randomized study - Perälä, J; Rautio, T; Biancari, F; Ohtonen, P; Wiik, H; Heikkinen, T (Ann Vasc Surg, 2005)
et al.