Akhtamovna, K. N. “Fibrotic Complications in the Lungs in Patients Who Have Had COVID-19 Pathogenesis of COVID-19”. European Journal of Life Safety and Stability (2660-9630), vol. 9, Nov. 2021, pp. 14-24, http://ejlss.indexedresearch.org/index.php/ejlss/article/view/133.