I.S. MALKOV1, V.A. FILIPPOV1, V.N. KOROBKOV1, M.R. TAGIROV2 1Kazan State Medical Academy — Branch Campus of the FSBEI FPE RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012 2Municipal Clinical Hospital No. 7, 54 Marshal Chuikov Str., Kazan, Russian Federation, 420103  Malkov I.S. — D. Med. Sc., Professor, Head of the Department of Surgery, […]