Kozicz, M.A., Cuper, P., Jastrzębska, I., Bilecki, K., Gugulski, H., Bado, M., Nowoświat, P. and Goncerz, M. 2024. Can vitamin supplementation improve quality of life and disease severity in patients with rheumatoid arthritis, or is physical activity enough?. Quality in Sport. 16, (Jul. 2024), 52874. DOI:https://doi.org/10.12775/QS.2024.16.52874.