@misc{indiciaeb93e161d2bff,
  title = {Origins of polymorphism at a polypurine hypervariable locus.},
  author = {H M Brereton and F A Firgaira and D R Turner},
  year = {1993},
  doi = {10.1093/nar/21.11.2563},
  url = {https://pubmed.ncbi.nlm.nih.gov/8332453/},
  note = {Source identifier: 8332453}
}