@misc{indiciae95e5da921f25,
  title = {Race-, age-, gender-, and refractive error-related differences in the normal optic disc.},
  author = {R Varma and J M Tielsch and H A Quigley and S C Hilton and J Katz and G L Spaeth and A Sommer},
  year = {1994},
  doi = {10.1001/archopht.1994.01090200074026},
  url = {https://pubmed.ncbi.nlm.nih.gov/8053821/},
  note = {Source identifier: 8053821}
}