Harashchenko, T., T. Umanets, L. Livshits, L. Volodymyr, and Y. Antypkin. “Comparing Clinical, Laboratory, and Epidemiological Features of COVID-19 Variants During Different Pandemic Waves Among Children in Ukraine”. Paediatrica Indonesiana, Vol. 64, no. 6, Dec. 2024, pp. 517-26, doi:10.14238/pi64.6.2024.517-26.