@misc{indiciae89eaac5c31c5,
  title = {A study of the Rous sarcoma virus by density gradient centrifugation.},
  author = {L V CRAWFORD},
  year = {1960},
  doi = {10.1016/0042-6822(60)90190-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/13696321/},
  note = {Source identifier: 13696321}
}