@misc{indiciae4f6763ad5787,
  title = {Polar mutations and operon function.},
  author = {D Zipser},
  year = {1969},
  doi = {10.1038/221021a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4882046/},
  note = {Source identifier: 4882046}
}