@misc{indiciaea62e2fb1a944,
  title = {Our ancestors.},
  author = {L M Van Valen},
  year = {1989},
  doi = {10.1038/338304b0},
  url = {https://pubmed.ncbi.nlm.nih.gov/2922059/},
  note = {Source identifier: 2922059}
}