@misc{indiciae286f5ef0c993,
  title = {A universal diaphragm for deep roentgen therapy.},
  author = {O SANDSTROM},
  year = {1950},
  doi = {10.3109/00016925009135303},
  url = {https://pubmed.ncbi.nlm.nih.gov/14810549/},
  note = {Source identifier: 14810549}
}