@misc{indiciaeaa424c1e66ce,
  title = {Radiology--a case study in technology and manpower.},
  author = {J H Knowles},
  year = {1969},
  doi = {10.1056/nejm196906052802304},
  url = {https://pubmed.ncbi.nlm.nih.gov/5770051/},
  note = {Source identifier: 5770051}
}