O.Yu. KARPUKHIN1,2, A.F. SHAKUROV1, M.O. KOPORULINA3 1Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 2Republican Clinical Hospital, 138 Orenburgskiy Trakt, Kazan, Russian Federation, 420068 3Kazan State Medical Academy, 36 Butlerova St., Kazan, Russian Federation 420012 Karpukhin O.Yu. — D. Med. Sc., Professor of the Department of Surgical Diseases № 1, tel. +7-905-312-92-90, e-mail: […]