Saidakova, N., ShulyakО., Klys, A., КоnonovaG. and НrodzinkiyyV. 2021. Acute cystitis in children: age and regional features in Ukraine. Ukrainian Journal of Nephrology and Dialysis. 1(73) (Dec. 2021), 43-50. DOI:https://doi.org/10.31450/ukrjnd.1(73).2022.05.