@misc{indiciaecf57f164bcf7,
  title = {Visual acuity and field loss in advanced glaucoma.},
  author = {G L Portney and J A Hanible},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4429320/},
  note = {Source identifier: 4429320}
}