@misc{indiciae5d8af4b624cf,
  title = {Digital subtraction ductography.},
  author = {J B Lightfoote and R M Friedenberg and M F Smolin},
  year = {1985},
  doi = {10.2214/ajr.144.3.635},
  url = {https://pubmed.ncbi.nlm.nih.gov/3881899/},
  note = {Source identifier: 3881899}
}