@misc{indiciaea6398340ac93,
  title = {Difficult bile duct stones.},
  author = {Lee McHenry and Glen Lehman},
  year = {2006},
  doi = {10.1007/s11938-006-0031-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/16539873/},
  note = {Source identifier: 16539873}
}