@misc{indiciae89c0a044f652,
  title = {Hepadnavirus envelope proteins regulate covalently closed circular DNA amplification.},
  author = {J Summers and P M Smith and A L Horwich},
  year = {1990},
  doi = {10.1128/jvi.64.6.2819-2824.1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2335817/},
  note = {Source identifier: 2335817}
}