@misc{indiciae54014831f54f,
  title = {Quality control programme in mammography: second level quality controls.},
  author = {E Nassivera and L Nardin},
  year = {1997},
  doi = {10.1259/bjr.70.834.9227255},
  url = {https://pubmed.ncbi.nlm.nih.gov/9227255/},
  note = {Source identifier: 9227255}
}