@misc{indiciae6e0a337b7439,
  title = {A versatile staircase apparatus.},
  author = {H JAMES and J L GROVE},
  year = {1956},
  doi = {10.1093/ptj/36.3.181},
  url = {https://pubmed.ncbi.nlm.nih.gov/13297546/},
  note = {Source identifier: 13297546}
}