@misc{indiciae34f2b6b07458,
  title = {Biliary reflux demonstrating an impacted ampullary stone.},
  author = {B Hennigan and R L Eisenberg and M Ruth},
  year = {1983},
  doi = {10.1097/00007611-198302000-00036},
  url = {https://pubmed.ncbi.nlm.nih.gov/6823610/},
  note = {Source identifier: 6823610}
}