@misc{indiciae1541b157a179,
  title = {Letter: "Caucasian".},
  author = {B Williams},
  year = {1973},
  doi = {10.1136/bmj.4.5893.676-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4758560/},
  note = {Source identifier: 4758560}
}