@misc{indiciae36da18717338,
  title = {Proton microdosimetry.},
  author = {J W Hilbert and N A Baily},
  year = {1969},
  doi = {10.1148/92.1.168b},
  url = {https://pubmed.ncbi.nlm.nih.gov/4973581/},
  note = {Source identifier: 4973581}
}