@misc{indiciaecb52a554f172,
  title = {Letter: Sterilising by immunisation.},
  author = {H M Fraser and A Gunn and R Borthwick and A F Fraser},
  year = {1975},
  doi = {10.1136/vr.96.14.323-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/1093317/},
  note = {Source identifier: 1093317}
}