S. Dimitrov, S. Bogdanova-Petrova, and Z. Kolarov, “The History of Cytokines in Rheumatic Disease: An Evolutionary Perspective on Mediators, Inhibitors, and Therapeutics”, Rheumatol Bul, vol. 33, no. 4, pp. 46–74, Mar. 2026, doi: 10.35465/0cm8pt95.