M.L. SHTEINER1, 2, A.V. ZHESTKOV1, YU.I. BIKTAGIROV1, S.A. BABANOV1, E.A. KORYMASOV1, E.P. KRIVOSHCHEKOV1, A.D. PROTASOV1, O.S. KOZLOVA1, V.V. KULAGINA3, T.P. HURASKINA4, I.I. SIROTKO1  1 Samara State Medical University, Samara 2 Samara City Hospital № 4, Samara 3 «REAVIZ» Medical University, Samara 4 Samara Hospital of the Ministry of Internal Affairs, Samara  Contact details: Shteiner M.L. — […]

M.L. SHTEINER1,2, A.V. ZHESTKOV2 1Samara State Medical University, 89 Chapaevskaya St., Samara, Russian Federation 443099 2Samara State Hospital №4, 125 Michurina St., Samara, Russian Federation 443056 Shteyner M.L. —D.Med.Sc., doctor-endoscopist of theSamara State Hospital №4, Assistant of the Course of Endoscopy of the Surgery Department of the Institute of Postgraduate Education, tel. +7-927-207-71-18, e-mail:[email protected],2 Zhestkov A.V. —D. […]