@misc{indiciae752b0b417d2c,
  title = {Differential macular illumination tests.},
  author = {S D Paul and K M Singh},
  year = {1970},
  doi = {10.1159/000306047},
  url = {https://pubmed.ncbi.nlm.nih.gov/5426087/},
  note = {Source identifier: 5426087}
}