@misc{indiciae46181a199309, title = {Extraosseous osteogenic sarcoma.}, author = {T K Das Gupta and S I Hajdu and F W Foote}, year = {1968}, doi = {10.1097/00000658-196812000-00011}, url = {https://pubmed.ncbi.nlm.nih.gov/5247139/}, note = {Source identifier: 5247139} }