@misc{indiciae6b1bbe1121f2,
  title = {Color vision.},
  author = {C R Michael},
  year = {1973},
  doi = {10.1056/nejm197304052881409},
  url = {https://pubmed.ncbi.nlm.nih.gov/4569499/},
  note = {Source identifier: 4569499}
}