@misc{indiciae807f4c9ea600,
  title = {Collagen types in keratoconus.},
  author = {T M Radda and E J Menzel and H Freyler and H D Gnad},
  year = {1982},
  doi = {10.1007/bf02175894},
  url = {https://pubmed.ncbi.nlm.nih.gov/7095451/},
  note = {Source identifier: 7095451}
}