Barcik, Natalia, Agnieszka Nowak, and Bożena Krawczyk. “Child’s Problems With Synovial Sarcoma – Case Study”. Nursing in the 21st Century 15, no. 1(54) (May 9, 2016): 60 – 63. Accessed March 4, 2026. https://czasopisma.umlub.pl/piel21w/article/view/91.