@misc{indiciaead87b370cd5f,
  title = {Evidence from nuclear sequences that invariable sites should be considered when sequence divergence is calculated.},
  author = {J S Shoemaker and W M Fitch},
  year = {1989},
  doi = {10.1093/oxfordjournals.molbev.a040550},
  url = {https://pubmed.ncbi.nlm.nih.gov/2622335/},
  note = {Source identifier: 2622335}
}