@misc{indiciae4d19ddc6914d,
  title = {Light and electron microscopic observations on human ependymomas.},
  author = {H Prokopanow and P Gabryel and A Topilko},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4454742/},
  note = {Source identifier: 4454742}
}