@misc{indiciaecbb3f69f05d0,
  title = {Demonstration of glaucomatous optic disc changes by electronic subtraction.},
  author = {H Alanko and E Jaanio and P J Airaksinen and H Nieminen},
  year = {1980},
  doi = {10.1111/j.1755-3768.1980.tb04560.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6996420/},
  note = {Source identifier: 6996420}
}