@misc{indiciaeb07b1260d938,
  title = {Pupillary response at visual threshold.},
  author = {G Hakerem and S Sutton},
  year = {1966},
  doi = {10.1038/212485a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5970183/},
  note = {Source identifier: 5970183}
}