@misc{indiciae3789cabdb2c5,
  title = {Preventing ambiguity in visual field descriptions.},
  author = {L L Edmondson},
  year = {1986},
  doi = {10.1097/00006324-198602000-00013},
  url = {https://pubmed.ncbi.nlm.nih.gov/3953760/},
  note = {Source identifier: 3953760}
}