@misc{indiciae502142f6820a,
  title = {A portable hemianopsia tester.},
  author = {H Bynke and A Heijl},
  year = {1976},
  doi = {10.1111/j.1755-3768.1976.tb00429.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/946721/},
  note = {Source identifier: 946721}
}