@misc{indiciaeac311f9c2e4d,
  title = {Retrovirus variation and evolution.},
  author = {H M Temin},
  year = {1989},
  doi = {10.1139/g89-007},
  url = {https://pubmed.ncbi.nlm.nih.gov/2480268/},
  note = {Source identifier: 2480268}
}