Bargieł, Julia, et al. “Exacerbation of Symptoms of Rheumatoid Arthritis in the Course of Immunotherapy of Non-Small Cell Lung Cancer - an Analysis of Medical Cases and a Review of the Literature”. Journal of Education, Health and Sport, vol. 12, no. 9, Sept. 2022, pp. 856-6, doi:10.12775/JEHS.2022.12.09.099.