@misc{indiciaefffaf3f94e0b,
  title = {Intraspinal, extradural ependymoma.},
  author = {R S Seigel and A G Williams and F A Mettler and J D Wicks},
  year = {1982},
  doi = {10.1097/00004728-198202000-00037},
  url = {https://pubmed.ncbi.nlm.nih.gov/7069006/},
  note = {Source identifier: 7069006}
}