@misc{indiciaec0aa2959fa00,
  title = {Dynamic retractable key chain for the head.},
  author = {W Schneiderwind},
  year = {1981},
  doi = {10.1093/ptj/61.6.914},
  url = {https://pubmed.ncbi.nlm.nih.gov/7243894/},
  note = {Source identifier: 7243894}
}