@misc{indiciae1587434ae851,
  title = {The Mackay-Marg tonometer. A note on calibration methods.},
  author = {R A Moses and W J Grodzki},
  year = {1971},
  doi = {10.1111/j.1755-3768.1971.tb08680.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5171923/},
  note = {Source identifier: 5171923}
}