Sagdullayeva M.A. and Yusupova Z.A., “NEGATIVE IMPACTS OF ENVIRONMENTAL FACTORS ON THE HEALTH OF FREQUENTLY ILL CHILDREN”, ilmiy, vol. 71, no. 3, pp. 56–64, May 2025, Accessed: Aug. 13, 2025. [Online]. Available: https://scientific-jl.com/uuc/article/view/13472