@misc{indiciae3c9a6aaecac1,
  title = {Avoidable blindness.},
  author = {D S McLaren},
  year = {1991},
  doi = {10.1136/bmj.302.6786.1204},
  url = {https://pubmed.ncbi.nlm.nih.gov/2043821/},
  note = {Source identifier: 2043821}
}