@misc{indiciae86c4feb1375e,
  title = {A technique for computer-guided stereotaxis without preoperative head fixation.},
  author = {C A Giller and P Purdy},
  doi = {10.1016/0895-6111(90)90002-s},
  url = {https://pubmed.ncbi.nlm.nih.gov/2200602/},
  note = {Source identifier: 2200602}
}