@misc{indiciae531617f11c78,
  title = {[Ewing's sarcoma in the retroperitoneum].},
  author = {H Hara and T Iwasawa and M Matsuhashi and N Ishii and K Miura and Y Sawamura and M Shirai and M Kudo},
  year = {1991},
  doi = {10.5980/jpnjurol1989.82.1504},
  url = {https://pubmed.ncbi.nlm.nih.gov/1942709/},
  note = {Source identifier: 1942709}
}