@misc{indiciaec67036055dea,
  title = {Periosteal Ewing's sarcoma.},
  author = {J Kolár and H Zídková and Z Matĕjovsky and C Povýsil and J Kolín and J Beran},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2537514/},
  note = {Source identifier: 2537514}
}