@misc{indiciae69178fca9bd6,
  title = {Perspex CQ grade for IOLs.},
  author = {G R Cheal},
  year = {1984},
  doi = {10.1016/s0146-2776(84)80054-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6501067/},
  note = {Source identifier: 6501067}
}