@misc{indiciae02267179305c,
  title = {Vaccinia virus: a selectable eukaryotic cloning and expression vector.},
  author = {M Mackett and G L Smith and B Moss},
  year = {1982},
  doi = {10.1073/pnas.79.23.7415},
  url = {https://pubmed.ncbi.nlm.nih.gov/6296831/},
  note = {Source identifier: 6296831}
}