@misc{indiciaec11e2f3cccef,
  title = {Nucleotide polymorphism in colicin E2 gene clusters: evidence for nonneutral evolution.},
  author = {Y Tan and M A Riley},
  year = {1997},
  doi = {10.1093/oxfordjournals.molbev.a025806},
  url = {https://pubmed.ncbi.nlm.nih.gov/9190068/},
  note = {Source identifier: 9190068}
}