“The impact of concomitant COVID-19 in patients with acute myocardial infarction on endothelial function, markers of systemic inflammation, and blood cell subpopulations in the long-term follow-up period”, UJC, vol. 32, no. 6, pp. 7–18, Dec. 2025, doi: 10.31928/2664-4479-2025.6.718.