@misc{indiciae15e551a73a0d,
  title = {OPERATIVE CONTRAST VISUALIZATION.},
  author = {F W PRESTON and N J DEMOS},
  year = {1964},
  doi = {10.1016/s0039-6109(16)37184-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/14116115/},
  note = {Source identifier: 14116115}
}