@misc{indiciae129bafcdef08,
  title = {X-ray unit for general practitioners.},
  author = {R H Davis and J E Williams},
  year = {1968},
  doi = {10.1136/bmj.1.5590.502},
  url = {https://pubmed.ncbi.nlm.nih.gov/5643723/},
  note = {Source identifier: 5643723}
}