@misc{indiciae658aa6f9cebe,
  title = {Biliary endoscopy.},
  author = {Michelle C Beilstein and Michael L Kochman},
  year = {2003},
  doi = {10.1097/00001574-200305000-00013},
  url = {https://pubmed.ncbi.nlm.nih.gov/15703570/},
  note = {Source identifier: 15703570}
}