@misc{indiciaece0b31d3afd8, title = {[Primary spinal osteosarcomas].}, author = {M Khalfallah and S Malca and P H Roche and F Duffaud and O Soumare and L Garbe and W Pellet}, year = {1997}, url = {https://pubmed.ncbi.nlm.nih.gov/9205624/}, note = {Source identifier: 9205624} }