PAWŁOWSKI, Piotr, ZIĘTARA, Karolina, MICHALCZYK, Justyna, FRYZE, Magdalena and KOŚCIOŁEK, Aneta. Providing information about a child’s oncological disease - a challenge for a pediatric oncologist. Quality in Sport. Online. 8 April 2023. Vol. 11, pp. 81-88. [Accessed 7 July 2024]. DOI 10.12775/QS.2023.11.01.006.