5Ricci S,Georgiev M, Goldman MP. Ambulatory phlebeetomy :apractical guide to treating valricose veins. St Louis(MO) :CV-Mosby,1995:78.
6Sokolov AL, Stoiko M, Liadov KV, et al. Transilluminationphlebec- tomy in minimally-invasive surgical treatment of varicose disease. Khirurgiia(Mosk) ,2006(2) :26-31.
8Bergan JJ. Varicoseveins: treatment by surgery and sclero therapy. Vasc Surg, 2000,19 : 2007.
9[2]Haines DE,Verow AF.Observation sonelectrode tissue interface temperature and effect on electrical impedance during radio frequentcy ablation of ventricular myocardium[J].Circulation,1990,82:1034 1038.
10[5]Morrison N.Saphenous ablation:what are the choices,laser or RF energy[J].Semin Vasc Surg,2005,18(1):15 18.