Marczyk, K., A. Berner, K. Stencel, M. Pękała, A. Olszewska, K. Stelmaszak, P. Polak, M. Polaszek, M. Bogowska, and K. Matyja. “Physical Activity of Patients With Chronic Kidney Disease”. Journal of Education, Health and Sport, vol. 21, no. 1, Oct. 2023, pp. 152-69, doi:10.12775/JEHS.2023.21.01.015.