GRAS-OZIMEK, Jordi and KOZINSKA, Urszula. Pain treatment in patients with renal insufficiency. Journal of Education, Health and Sport. Online. 15 August 2022. Vol. 12, no. 8, pp. 491-500. [Accessed 19 April 2025]. DOI 10.12775/JEHS.2022.12.08.051.