@misc{indiciae4762088c64a4,
  title = {Defective interfering influenza viruses.},
  author = {D P Nayak},
  year = {1980},
  doi = {10.1146/annurev.mi.34.100180.003155},
  url = {https://pubmed.ncbi.nlm.nih.gov/7002033/},
  note = {Source identifier: 7002033}
}