@misc{indiciaeab6596daef9e,
  title = {General ophthalmic services--a practical alternative.},
  author = {J Williamson and W Doig},
  year = {1978},
  doi = {10.1136/bmj.2.6150.1503-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/719510/},
  note = {Source identifier: 719510}
}