@misc{indiciae8812fe4f5a93,
  title = {Fundus photography.},
  author = {K Barnett and C R Keeler},
  year = {1967},
  doi = {10.1136/vr.80.21.624},
  url = {https://pubmed.ncbi.nlm.nih.gov/6067977/},
  note = {Source identifier: 6067977}
}