@misc{indiciae76122854576c,
  title = {Ewing's sarcoma.},
  author = {J M Xipell and P W Allen},
  year = {1977},
  doi = {10.3109/00313027709084810},
  url = {https://pubmed.ncbi.nlm.nih.gov/904952/},
  note = {Source identifier: 904952}
}