1. American Cancer Society. Risk factors for Bone Cancer. www.cancer.org.
2. Amin MB, Edge SB, Greene F et al.: AJCC Cancer Staging Manual. Springer International Publishing, New York, 8th ed. 2017.
3. Anderton J, Moroz V, Marec-Bérard P et al.: International randomized controlled trial for the treatment of newly diagnosed EWING sarcoma family of tumours – EURO EWING 2012 protocol. Trials 21(1) (2020) 96.
4. Berger M, Grignani G, Ferrari S et al.: Phase 2 trial of two courses of cyclophosphamide and etoposide for relapsed high-risk osteosarcoma patients. Cancer 115 (2015) 2980–2987.
5. Bielack SS, Kempf-Bielack B, Delling G et al.: Prognostic factors in high-grade osteosarcoma of the extremities or trunk: an analysis of 1,702 patients treated on neoadjuvant cooperative osteosarcoma study group protocols. JCO 20 (2002) 776–790.