@misc{indiciaebc38ea266755,
  title = {Charging patients for eye tests.},
  author = {J S Yudkin},
  year = {1988},
  doi = {10.1136/bmj.296.6614.64-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/3122935/},
  note = {Source identifier: 3122935}
}