@misc{indiciaee8d3b56a750d,
  title = {A device to encourage postoperative exercise.},
  author = {D C MACKENZIE and T JAMIESON},
  year = {1962},
  doi = {10.1016/s0140-6736(62)91082-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/14467949/},
  note = {Source identifier: 14467949}
}