@misc{indiciaef848688f046e,
  title = {Vertical cup/disc ratio in relation to optic disc size.},
  author = {D B Barr and D J Nolan},
  year = {1999},
  doi = {10.1136/bjo.83.8.994a},
  url = {https://pubmed.ncbi.nlm.nih.gov/10413708/},
  note = {Source identifier: 10413708}
}