Yu.N. BEKKER1, A.N. MITROSHIN1, V.S. MIRONOV2, A.V. KUZMIN1 1Penza State University, 40 Krasnaya St., Penza, Russian Federation, 440026 2City Clinical Hospital of Emergency named after G.A. Zakharyin, 7 Stasov St., Penza, Russian Federation, 440071 Bekker Yu.N. — postgraduate student of the Department of Surgery, tel. (8412) 54-82-94, e-mail: stopapnz@mail.ru Mitroshin A.N. — D. Med. Sc., […]