Szczypiór-Piasecka, K. et al. 2021. Case study: Comprehensive rehabilitation program after tumor resection of the proximal humerus and postresectional total shoulder joint arthroplasty. Journal of Education, Health and Sport. 11, 9 (Sep. 2021), 697–707. DOI:https://doi.org/10.12775/JEHS.2021.11.09.085.