@misc{indiciaecb73372a58b0,
  title = {Extraosseous osteosarcoma - two cases.},
  author = {D Milosević},
  year = {1981},
  doi = {10.1007/bf00286098},
  url = {https://pubmed.ncbi.nlm.nih.gov/6944283/},
  note = {Source identifier: 6944283}
}