A.K. AMAKHANOV, A.V. PHEDOSEEV, V.N. BUDAREV, A. ALLNIAZI, Kh.D. TAKHA Ryazan State Medical University named after acad. I.P. Pavlov, 9 Vysokovoltnaya St., Ryazan, Russian Federation, 390026 Amakhanov A.K. — postgraduate student of the Department of General Surgery, tel. +7-920-984-13-14, e-mail: hirurgiarzn@gmail.com Phedoseev A.V. — D. Med. Sc., Head of the Department of General Surgery, tel. […]