@misc{indiciae0330325eeeab,
  title = {The earliest visual field in glaucoma simplex.},
  author = {J H Bryars and E C Cowan and D Linton},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4534135/},
  note = {Source identifier: 4534135}
}