I.M. SAYFUTDINOV, L.E. SLAVINA, A.F. GALIMZYANOV, S.B. SANGADZHIEV, R.R. YAKHIN, A.Z. ZAMALEYEV, A.G. PODSHIVALOV, A.M. BAYTIMIROV Interregional Clinical – Diagnostic Center, 12a Karbyshev Str., Kazan, Russian Federation, 420101 Sayfutdinov I.M. — Ph. D. (medicine), Head of the Endoscopy Department, tel. (843) 291-10-12, e-mail: [email protected] Slavin L.E. — D. Sc. (medicine), Professor, Chief Specialist in Surgery, […]

G.T. ZAGIDULLINA, A.I. KURBANGALEEV Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012  Zagidullina G.T. ― postgraduate student of the Department of surgical diseases, tel. +7-917-240-20-64, e-mail: [email protected] Kurbangaleev A.I. ― Cand. Med. Sc., Associate Professor of the Department of surgical diseases, tel. (843) 214-37-93, e-mail: [email protected] This article is the literature observation […]

G.T. ZAGIDULLINA, A.I. KURBANGALEEV Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 Zagidullina G.T. — postgraduate student of the Department of Surgical Diseases № 1, tel. (843) 214-37-93, e-mail: [email protected] Kurbangaleev A.I. — Cand. Med. Sc., Associate Professor of the Department of Surgical Diseases № 1, tel. (843) 214-37-93, e-mail: [email protected] This […]