@misc{indiciaeb4eb052c2d03,
  title = {Retroperitoneal Ewing's sarcoma.},
  author = {M Oya and J Nakashima and T Ishii and K Nakamura and J Hata and H Tazaki},
  year = {1995},
  doi = {10.1159/000282699},
  url = {https://pubmed.ncbi.nlm.nih.gov/7747355/},
  note = {Source identifier: 7747355}
}