@misc{indiciaedd9a56ff7fa6,
  title = {Extra-axial chordoma.},
  author = {A C J van Akkooi and A N van Geel and J H J M Bessems and M A den Bakker},
  year = {2006},
  doi = {10.1302/0301-620x.88b9.17873},
  url = {https://pubmed.ncbi.nlm.nih.gov/16943479/},
  note = {Source identifier: 16943479}
}