@misc{indiciae83437c3bf9f1,
  title = {Doublet frequencies in evolutionary distinct groups.},
  author = {R Nussinov},
  year = {1984},
  doi = {10.1093/nar/12.3.1749},
  url = {https://pubmed.ncbi.nlm.nih.gov/6583663/},
  note = {Source identifier: 6583663}
}