@misc{indiciae5d6a17e97897,
  title = {[Physiologic principles of studying visual functions].},
  author = {P Niesel},
  year = {1989},
  doi = {10.1055/s-2008-1046373},
  url = {https://pubmed.ncbi.nlm.nih.gov/2664320/},
  note = {Source identifier: 2664320}
}