@misc{indiciae21821cf3ffed,
  title = {Early experience with soft hydrogel lens implants.},
  author = {S P Percival},
  year = {1987},
  doi = {10.1038/eye.1987.117},
  url = {https://pubmed.ncbi.nlm.nih.gov/3454766/},
  note = {Source identifier: 3454766}
}