Clinical and endoscopic features of the upper digestive tract pathology in children and adolescents depending on age Journal title: Здоров`я дитини Authors: L.K. Parkhomenko, L.A. Strashok, E.M. Zavelya, M.Yu. Isakova, A.V. Yeshchenko, Zh.V. Polishchuk Subject(s):
