@misc{indiciae89ad429a34be,
  title = {Cervical traction apparatus.},
  author = {M OLIVA},
  year = {1961},
  doi = {10.1093/ptj/41.7.522},
  url = {https://pubmed.ncbi.nlm.nih.gov/13730749/},
  note = {Source identifier: 13730749}
}