Kozyra, M., Zimnicki, P., Śmiech, N., Kaczerska, J., Nowińska, M. and Milanowska, J. (2020) “Effect of immunomodulating treatment (usage of DMARDs) in rheumatoid arthritis on depression”, Journal of Education, Health and Sport, 10(8), pp. 81–92. doi: 10.12775/JEHS.2020.10.08.010.