@misc{indiciae3e1366e90e3d,
  title = {Collimators and counting systems for brain scanning.},
  author = {C M Matthews},
  year = {1967},
  doi = {10.3109/02841856709138609},
  url = {https://pubmed.ncbi.nlm.nih.gov/6082271/},
  note = {Source identifier: 6082271}
}