@misc{indiciae26e9b1408b1b,
  title = {Twenty years ago.},
  author = {J Gillies},
  year = {1967},
  doi = {10.1111/j.1365-2044.1967.tb10171.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4861487/},
  note = {Source identifier: 4861487}
}