A.G. IZMAILOV1, S.V. DOBROKVASHIN1, D.E. VOLKOV1, V.A. PYRKOV2, R.F. ZAKIROV2, S.A. DAVLETKILDEEV2, R.F. AKHMETZYANOV2  ¹Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012 2Hospital for War Veterans, 5 Isayev Str., Kazan, Russian Federation, 420039 Izmailov A.G. — Cand. Med. Sc., Associate Professor of the Department of General Surgery, tel. +7-927-412-73-46, izmailov_alex@mail.ru Dobrokvashin S.V. […]