@misc{indiciae2cc12c088636,
  title = {Subfunctionalization: How often does it occur? How long does it take?},
  author = {Rachel Ward and Richard Durrett},
  year = {2004},
  doi = {10.1016/j.tpb.2004.03.004},
  url = {https://pubmed.ncbi.nlm.nih.gov/15302219/},
  note = {Source identifier: 15302219}
}