@misc{indiciaeb8af69302dd9,
  title = {Microbial keratitis--the false negative.},
  author = {L Ficker and C Kirkness and A McCartney and D Seal},
  year = {1991},
  doi = {10.1038/eye.1991.97},
  url = {https://pubmed.ncbi.nlm.nih.gov/1794421/},
  note = {Source identifier: 1794421}
}