@misc{indiciaeb23c1ad61c2f,
  title = {Red square test for visual field screening. A sensitive and simple bedside test.},
  author = {A Mandahl},
  year = {1994},
  doi = {10.1111/j.1755-3768.1994.tb04680.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7747575/},
  note = {Source identifier: 7747575}
}