@misc{indiciae42940321d96c,
  title = {Dr Richardson describes an ingenious device:.},
  author = {J B Richardson},
  year = {1977},
  doi = {10.1177/004947557700700217},
  url = {https://pubmed.ncbi.nlm.nih.gov/854979/},
  note = {Source identifier: 854979}
}