@misc{indiciae6d589ff881dd,
  title = {An observer error study of eye colour.},
  author = {D R Hannay and C R Gillis},
  year = {1970},
  doi = {10.1136/jech.24.1.61},
  url = {https://pubmed.ncbi.nlm.nih.gov/5435092/},
  note = {Source identifier: 5435092}
}