@misc{indiciae71a1beebcd01,
  title = {Glaucoma screening.},
  author = {G G Blocker},
  year = {1981},
  doi = {10.1177/216507998102900606},
  url = {https://pubmed.ncbi.nlm.nih.gov/6909666/},
  note = {Source identifier: 6909666}
}