Zupanets, I. A., O. O. Tarasenko, N. P. Bezuhla, M. F. Pasichnyk, S. O. Karabynosh, V. S. Kopcha, L. V. Moroz, H. V. Maksymchuk, O. Ya. Kobrynska, R. M. Fishchuk, D. I. Schulha, R. S. Morochkovskyj, and M. S. Zoshchak. 2021. “Quercetin Effectiveness in Patients With COVID-19 Associated Pneumonia”. Zaporozhye Medical Journal 23 (5):636-43. https://doi.org/10.14739/2310-1210.2021.5.231714.