@misc{indiciaedc8b26285181,
  title = {Adapting a walker for stairs.},
  author = {M E Sherwin},
  year = {1974},
  doi = {10.1093/ptj/54.8.867},
  url = {https://pubmed.ncbi.nlm.nih.gov/4424682/},
  note = {Source identifier: 4424682}
}