@misc{indiciae799c6ad292b1,
  title = {Applanation tonometry and central corneal thickness.},
  author = {N Ehlers and T Bramsen and S Sperling},
  year = {1975},
  doi = {10.1111/j.1755-3768.1975.tb01135.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1172910/},
  note = {Source identifier: 1172910}
}