@misc{indiciaeefaf990f93bc,
  title = {A binocular perimeter.},
  author = {D Owen},
  year = {1977},
  doi = {10.1016/0002-9394(77)90925-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/868997/},
  note = {Source identifier: 868997}
}