@misc{indiciae4a77c4aefe93,
  title = {ABC of Ophthalmology.},
  author = {R M Youngson},
  year = {1979},
  doi = {10.1136/bmj.1.6163.624-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/427500/},
  note = {Source identifier: 427500}
}