@misc{indiciae5aa52c2ecd3b,
  title = {An improved retinal densitometer: design concepts and experimental applications.},
  author = {H D Baker and R Henderson and L P O'Keefe},
  year = {1989},
  doi = {10.1017/s0952523800012529},
  url = {https://pubmed.ncbi.nlm.nih.gov/2487093/},
  note = {Source identifier: 2487093}
}