@misc{indiciae21d04e390917,
  title = {Diffuse luminance flicker increases retinal vessel diameter in humans.},
  author = {F Formaz and C E Riva and M Geiser},
  year = {1997},
  doi = {10.1076/ceyr.16.12.1252.5021},
  url = {https://pubmed.ncbi.nlm.nih.gov/9426960/},
  note = {Source identifier: 9426960}
}