@misc{indiciaeca68bd4434fc,
  title = {Malignant biliary obstruction: endoscopic approaches.},
  author = {W G Parsons and R Alasadi},
  year = {2001},
  doi = {10.1007/978-1-4757-3371-6\_9},
  url = {https://pubmed.ncbi.nlm.nih.gov/11775435/},
  note = {Source identifier: 11775435}
}