@misc{indiciae301633a9ced7,
  title = {Guide-arm cane: a walking cane modification.},
  author = {E F Schmerl and M Stein and P Schultz},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/464775/},
  note = {Source identifier: 464775}
}