@misc{indiciae89482dcd1a1c,
  title = {The evolution of complex life.},
  author = {J Billingham},
  year = {1989},
  doi = {10.1016/0094-5765(89)90077-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/11537746/},
  note = {Source identifier: 11537746}
}