Madenbayeva, Akzhan M., et al. “Impact of COVID-19 Vaccination on the Risk of Long COVID: An Umbrella Review of Meta-Analyses”. Acta Biomedica Atenei Parmensis, vol. 97, no. 2, Apr. 2026, p. 17936, https://doi.org/10.23750/abm.2026.17936.