N.I. BEYLINA, A.O. POZDNYAK, E.V. MALYSHEVA KSMA – Branch Campus of the FSBEI FPE RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012 Beylina N.I. — Ph. D. (medicine), Associate Professor of the Department of Therapy, Geriatrics and Family Medicine, e-mail: [email protected], ORCID ID 0000-0001-9755-8681 Pozdnyak A.O. — D. Sc. (medicine), Head of the […]

Yu.E. ALLENOVA¹, D.V. PECHKUROV², R.T. GALEEVА3 ¹Penza Regional Children’s Clinical Hospital named after N.F. Filatov, 43 Bekeshskya St., Penza, Russian Federation, 440008 ²Samara State Medical University, 89 Chapayevskaya St., Samara, Russian Federation, 443099 3Penza Medical Refresher Institute, 8а Stasov St., Penza, Russian Federation, 440060 Allenova Yu.E. — gastroenterologist of Polyclinic for Consulting and Diagnosing, tel. […]