@misc{indiciae79283b9c430b,
  title = {Ewing's sarcoma metastatic to placenta.},
  author = {P Greenberg and J D Collins and R L Voet and L Jariwala},
  doi = {10.1016/s0143-4004(82)80052-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/7122429/},
  note = {Source identifier: 7122429}
}