@misc{indiciaeb4a9bad56713,
  title = {Twenty years ago.},
  author = {J A Lee},
  year = {1967},
  doi = {10.1111/j.1365-2044.1967.tb02739.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6022289/},
  note = {Source identifier: 6022289}
}