Riabokon, O. V., V. V. Cherkaskyi, Onishchenkо T. Ye., and Yu. Yu. Riabokon. “Features of Comorbid Pathology Spectrum and Age Structure of Oxygen-Dependent Patients With Severe Coronavirus Disease 2019 (COVID-19) Depending on Outcomes of the Disease”. Zaporozhye Medical Journal 23, no. 2 (April 16, 2021): 214–219. Accessed November 24, 2024. http://zmj.zsmu.edu.ua/article/view/228712.