| Name | Info | Provider | Link |
|---|---|---|---|
| free resource | Hindawi Limited | https://doi.org/10.1155/2019/6082304 | |
| Bone Cancer | free resource | MedlinePlus Health Information | https://medlineplus.gov/bonecancer.html |
| free resource | PubMed Central | https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/31236409/ | |
| free resource | Europe PubMed Central | https://europepmc.org/abstract/MED/31236409 |