Musayev, V. A. “Completing Sclerotherapy of Recurrent and Residual Varicosely Changed Veins of the Lower Extremities After Surgical and Endovenous Methods of Treatment”. Klinicheskaia Khirurgiia, Vol. 85, no. 11, Nov. 2018, pp. 40-43, doi:10.26779/2522-1396.2018.11.40.