A.Yu. ANISIMOV1, A.V. LOGINOV2 1Kazan State Medical Academy, 36 Butlerov Str., Kazan, Russian Federation, 420012 2Municipal Clinical Hospital №7, 54 Chuikov Str., Kazan, Russian Federation, 420103 Anisimov A.Yu. ― D. Med. Sc., Professor, Head of the Emergency Medical Care Department, tel. +7-987-297-16-54, e-mail: [email protected] Loginov A.V. ― surgeon of the Emergency Department, tel. +7-953-405-41-02, e-mail: […]

R.R. SHIGABUTDINOV², A.V. ZAKHAROVA¹,², D.M. MIRGASIMOVA¹,², S.G. GLEBASHEVA², D.Zh. VASILIEV² ¹Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 ²Republican Clinical Hospital of the MH of RT, 138 Orenburgskiy Tract, Kazan, Russian Federation, 420064 Shigabutdinov R.R. — head of the department of endoscopy, tel. +7-917-267-31-56, e-mail: [email protected] Zakharova A.V. — Cand. Med. Sc., […]