@misc{indiciae859a2855b6dc,
  title = {General introduction.},
  author = {P Calow},
  year = {2004},
  doi = {10.1023/b:emas.0000033039.36520.2d},
  url = {https://pubmed.ncbi.nlm.nih.gov/15376375/},
  note = {Source identifier: 15376375}
}