For citations:
Agarkov N.M., Zhernakova N.I., Negrebetskiy V.A. Systemic cytokines in elderly patients with coronary heart disease at early recovery from COVID-19. Medical Immunology (Russia). 2023;25(6):1417-1422. (In Russ.) https://doi.org/10.15789/1563-0625-SCI-2669