@misc{indiciae0266258ed8ac,
  title = {Retina and optic nerve.},
  author = {F P Campbell},
  year = {1967},
  doi = {10.1001/archopht.1967.00980020820022},
  url = {https://pubmed.ncbi.nlm.nih.gov/4961235/},
  note = {Source identifier: 4961235}
}