@misc{indiciae9eb3126c2ddd,
  title = {Congenital color blindness.},
  author = {R D Gunkel},
  year = {1981},
  doi = {10.1001/archopht.1981.03930011023008},
  url = {https://pubmed.ncbi.nlm.nih.gov/6972211/},
  note = {Source identifier: 6972211}
}