Ottaviani Giulia; Jaffe Norman (2009). "The Epidemiology of Osteosarcoma". Pediatric and Adolescent Osteosarcoma. Cancer Treatment and Research. Vol. 152. New York: Springer. pp. 3–13. doi:10.1007/978-1-4419-0284-9_1. ISBN978-1-4419-0283-2. PMID20213383.
nih.gov
pubmed.ncbi.nlm.nih.gov
Ottaviani Giulia; Jaffe Norman (2009). "The Epidemiology of Osteosarcoma". Pediatric and Adolescent Osteosarcoma. Cancer Treatment and Research. Vol. 152. New York: Springer. pp. 3–13. doi:10.1007/978-1-4419-0284-9_1. ISBN978-1-4419-0283-2. PMID20213383.