Nedelska, S.M., Samokhin, I.V. , Kriazhev, O.V., Yartseva, D.O., Bessikalo, T.H. and Kliatska, L.I. 2024. Functional disorders of the gastrointestinal tract in children of different age groups (a literature review). Zaporozhye Medical Journal. 26, 1 (Feb. 2024), 66–71. DOI:https://doi.org/10.14739/2310-1210.2024.1.290950.