Fattaeva D. R., Rizaev J. A., Rakhimova D. A. “Efficiency of Different Modes of Therapy for Higher Sinus After COVID-19 in Chronic Obstructive Pulmonary Disease”. Annals of the Romanian Society for Cell Biology (February 1, 2021): 6378 –. Accessed November 30, 2022. https://www.annalsofrscb.ro/index.php/journal/article/view/805.