Rybacka-Chabros, Barabara, et al. “Influence of Prednisone on Serum Level of Tumor Necrosis Factor Alpha, Interferon Gamma and Interleukin-1 Beta, in Active Pulmonary Tuberculosis”. Polish Journal of Public Health, vol. 124, no. 1, July 2014, pp. 42-45, https://doi.org/10.2478/pjph-2014-0009.