D. Jevtić, S. . Janković, D. Marković, M. Jevtić, M. Đorđević, and A. Janković, “Incidence of PCT (plateletcrit) decrease in COVID-19 positive patients – diagnostic and epidemiologic value ”, opmed, vol. 30, no. 3-4, pp. 120–136, Aug. 2024, doi: 10.5937/opmed0-47424.