@misc{indiciae73268c6bfc88,
  title = {Evolution at the host-retrovirus interface.},
  author = {Robert J Gifford},
  year = {2006},
  doi = {10.1002/bies.20504},
  url = {https://pubmed.ncbi.nlm.nih.gov/17117481/},
  note = {Source identifier: 17117481}
}