@misc{indiciaeb5550b5535b5,
  title = {Test-retest variability in glaucomatous visual fields.},
  author = {A Heijl and A Lindgren and G Lindgren},
  year = {1989},
  doi = {10.1016/0002-9394(89)90006-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/2757094/},
  note = {Source identifier: 2757094}
}