@misc{indiciae6f8888048689,
  title = {Colour blindness.},
  author = {N Gordon},
  year = {1998},
  doi = {10.1038/sj.ph.1900446},
  url = {https://pubmed.ncbi.nlm.nih.gov/9581449/},
  note = {Source identifier: 9581449}
}