@misc{indiciaeb814eb8b9e9a,
  title = {How clean is your capsule?},
  author = {W T Green and D L Boase},
  year = {1989},
  doi = {10.1038/eye.1989.104},
  url = {https://pubmed.ncbi.nlm.nih.gov/2630345/},
  note = {Source identifier: 2630345}
}