@misc{indiciaeb28222539e91,
  title = {The path to species comparison.},
  author = {W Conrad Holton},
  year = {2004},
  doi = {10.1289/ehp.112-1277126},
  url = {https://pubmed.ncbi.nlm.nih.gov/15366186/},
  note = {Source identifier: 15366186}
}