@misc{indiciae53f0e99f0829,
  title = {Method for comparing films and processing procedures in photofluorography.},
  author = {K Hansen and F Welde},
  year = {1977},
  doi = {10.1177/028418517701800217},
  url = {https://pubmed.ncbi.nlm.nih.gov/860659/},
  note = {Source identifier: 860659}
}