Machaj, Dominik, Alicja Płaczek, Katarzyna Cyboran, Agnieszka Siedlak, and Filip Białas. “Rheumatoid Arthritis – Symptoms, Diagnosis, Treatment”. Journal of Education, Health and Sport 12, no. 8 (August 6, 2022): 343–347. Accessed February 24, 2026. https://apcz.umk.pl/JEHS/article/view/39329.