@misc{indiciae1cf8eca4c315,
  title = {Measuring and marking corneal rings.},
  author = {R C Drews},
  year = {1978},
  doi = {10.1016/s0161-6420(78)35615-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/362307/},
  note = {Source identifier: 362307}
}