@misc{indiciae856751cd58d9,
  title = {External powered prostheses.},
  author = {D C Simpson},
  year = {1971},
  doi = {10.1016/0072-968x(71)90047-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/5127929/},
  note = {Source identifier: 5127929}
}