@misc{indiciaef544635bfb1e,
  title = {Expiry dates.},
  author = {Stuart Pimm},
  year = {2003},
  doi = {10.1038/426235a},
  url = {https://pubmed.ncbi.nlm.nih.gov/14628029/},
  note = {Source identifier: 14628029}
}