(1)
Pencheva, V.; Kolevski, A.; Kandilarova, S. Comparison of Anti-Receptor Binding Domain of SARS-CoV-2 Spike Protein Humoral Response Between Infected, Vaccinated and Vaccinated After Natural Exposure Subjects over 12-Months Follow-up Period. C. R. Acad. Bulg. Sci. 2025, 78, 441–449.