@misc{indiciaea03e3b39c041,
  title = {Challengers in the field.},
  author = {Colin Macilwain},
  year = {2006},
  doi = {10.1038/441149a},
  url = {https://pubmed.ncbi.nlm.nih.gov/16688145/},
  note = {Source identifier: 16688145}
}