N.Yu. KANKOVA, E.А. ZHUKOVA, E.I. SHABUNINA, Т.А. VIDMANOVA, I.V. MAYANSKAYA, N.Yu. SHIROKOVA Nizhny Novgorod Federal Research Institute of Pediatric Gastroenterology, 22 Semashko Str., Nizhny Novgorod, Russian Federation, 603950 Kankova N.Yu. ― postgraduate student of the Department «Clinic of pathology of upper sections of digestive tract», e-mail: [email protected] An examination of 88 children with chronic gastroduodenitis […]