V.L. FILIPPOV, A.A. BOGOV, V.G. TOPYRKIN Republic Clinical Hospital of the MH of RT, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064  Filippov V.L. ― Junior Researcher of the Research Department, traumatologist-orthopedists, tel. (843) 231-20-21, e-mail: valek1303@mail.ru Bogov A.A. ― D. Med. Sc., Professor of the Department of Endoscopy, General and Endoscopic Surgery of KSMA, Chief […]