@misc{indiciae39bc05219d9d,
  title = {Ulcerative keratitis.},
  author = {S A Koch},
  year = {1973},
  doi = {10.1016/s0091-0279(73)50056-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4801909/},
  note = {Source identifier: 4801909}
}