@misc{indiciae0c2453605122,
  title = {Radiation fields backscattered from material interfaces: I. Biological effectiveness.},
  author = {D L Zellmer and J D Chapman and C C Stobbe and F Xu and I J Das},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9768854/},
  note = {Source identifier: 9768854}
}