@misc{indiciae84373050a148,
  title = {A versatile color confrontation test for the central visual field. A comparison with quantitative perimetry.},
  author = {L Frisén},
  year = {1973},
  doi = {10.1001/archopht.1973.01000040005002},
  url = {https://pubmed.ncbi.nlm.nih.gov/4684896/},
  note = {Source identifier: 4684896}
}