@misc{indiciaef4b9c752ecf3,
  title = {Focal spots: III. Field characteristics.},
  author = {A E Burgess},
  doi = {10.1097/00004424-197701000-00013},
  url = {https://pubmed.ncbi.nlm.nih.gov/838559/},
  note = {Source identifier: 838559}
}