@misc{indiciaedc4b85ad1b61,
  title = {Normal variability of static perimetric threshold values across the central visual field.},
  author = {A Heijl and G Lindgren and J Olsson},
  year = {1987},
  doi = {10.1001/archopht.1987.01060110090039},
  url = {https://pubmed.ncbi.nlm.nih.gov/3675288/},
  note = {Source identifier: 3675288}
}