Madej, A., H. Senat, P. Grabowska, P. Bolla, A. Senat, and Z. Marczyńska. “The Prevalence of Extraintestinal Manifestations in Inflammatory Bowel Disease”. Journal of Education, Health and Sport, vol. 58, Feb. 2024, pp. 86-99, doi:10.12775/JEHS.2024.58.007.