Trotskyy, H. M. ., A. Y. . Lisnyy, Y. V. . Pakulova-Trotska, and N. V. . Kamut. “Analysis of the Respiratory Tract Morbidity in Children Living in Big Cities”. International Journal of Child Health and Nutrition, vol. 10, no. 2, Apr. 2021, pp. 74-79, doi:10.6000/1929-4247.2021.10.02.4.