M. Kozyra, P. Zimnicki, N. Śmiech, J. Kaczerska, M. Nowińska, and J. Milanowska, “Effect of immunomodulating treatment (usage of DMARDs) in rheumatoid arthritis on depression”, J Educ Health Sport, vol. 10, no. 8, pp. 81–92, Aug. 2020.