@misc{indiciae79f0e19d8f8b,
  title = {Bacteriophage sigma factor for RNA polymerase.},
  author = {A A Travers},
  year = {1969},
  doi = {10.1038/2231107a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4309343/},
  note = {Source identifier: 4309343}
}