@misc{indiciaee50e7c23e640,
  title = {Optic disc changes in early glaucoma.},
  author = {Y Kitazawa and K Matsubara},
  year = {1989},
  doi = {10.1016/0039-6257(89)90068-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/2749509/},
  note = {Source identifier: 2749509}
}