@misc{indiciae59979eaa1682,
  title = {Color vision defects in the elderly.},
  author = {M E Andreasen},
  year = {1980},
  doi = {10.3928/0098-9134-19800701-05},
  url = {https://pubmed.ncbi.nlm.nih.gov/6967498/},
  note = {Source identifier: 6967498}
}