@misc{indiciaed0053c534f69,
  title = {A jubilee.},
  author = {S Duke-Elder},
  year = {1966},
  doi = {10.1136/bjo.50.12.681},
  url = {https://pubmed.ncbi.nlm.nih.gov/5334229/},
  note = {Source identifier: 5334229}
}