@misc{indiciae8e5326126a7d,
  title = {How valid is a scleral tonometer?},
  author = {R E HOGG and M ALPERN},
  year = {1960},
  doi = {10.1016/0002-9394(60)91640-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/13852504/},
  note = {Source identifier: 13852504}
}