O.Yu. KARPUKHIN1,2, E.V. MOZHANOV1,2, A.F. SHAKUROV1,2, A.A. ELEEV1 1Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012 2Republican Clinical Hospital of the MH of RT, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420064  Karpukhin O.Yu. ― D. Med. Sc., Professor of the Department of Surgical Diseases №1, curator of Coloproctology Inpatient Unit, tel. (843) […]