@misc{indiciaed6d592f63d91,
  title = {An appropriate technology spring retractor.},
  author = {J B Richardson and J F Robertson},
  year = {1988},
  doi = {10.1177/004947558801800319},
  url = {https://pubmed.ncbi.nlm.nih.gov/3406996/},
  note = {Source identifier: 3406996}
}