@misc{indiciaed9aa0be12dd1,
  title = {Collagen gel for ocular surface.},
  author = {H S Geggel and J Friend and R A Thoft},
  year = {1985},
  url = {https://pubmed.ncbi.nlm.nih.gov/3891667/},
  note = {Source identifier: 3891667}
}