M.L. SHTEINER1,2, Yu.I. BIKTAGIROV1, E.A. KORYMASOV1, E.P. KRIVOSHCHEKOV1, A.V. ZHESTKOV1, A.D. PROTASOV1 1Samara State Medical University, 89 Chapaevskaya Str., Samara, Russian Federation, 443099 2Samara City Hospital No. 4, 125 Michurin Str., Samara, Russian Federation, 443056 Shteiner M.L. — D. Med. Sc., physician-endoscopist; Assistant of the Department of Surgery with the course of endoscopy, tel. +7-917-108-03-99, […]

M.L. SHTEINER1,2, A.V. ZHESTKOV2, N.E. LAVRENTYEVA2, A.D. PROTASOV2 1Samara State Hospital №4, 125 Michurin Str., Samara, Russian Federation, 443056 2Samara State Medical University, 89 Chapaevskaya Str., Samara, Russian Federation, 443099 Shteiner M.L. ¾ D. Med. Sc., endoscopist, Assistant of the Department of Surgery with the course of endoscopy, tel. +7-927-207-71-18, e-mail: [email protected] Zhestkov A.V. ¾ […]