@misc{indiciae24294a33330f,
  title = {Pattern recognition by radiographers.},
  author = {D Nelson},
  year = {1971},
  doi = {10.1016/s0140-6736(71)91573-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4102231/},
  note = {Source identifier: 4102231}
}