@misc{indiciae1135b0f7ed29,
  title = {A method of concentrating roentgen rays for deep therapy.},
  author = {B LINDELL and R SIEVERT and T WAHLBERG},
  doi = {10.3109/00016925009133895},
  url = {https://pubmed.ncbi.nlm.nih.gov/15419021/},
  note = {Source identifier: 15419021}
}