@misc{indiciae80e99be34d3b,
  title = {Haptoglobin phenotypes.},
  author = {N G Sitton and J S Dixon},
  year = {1983},
  doi = {10.1136/ard.42.3.356},
  url = {https://pubmed.ncbi.nlm.nih.gov/6859969/},
  note = {Source identifier: 6859969}
}