@misc{indiciae62aff6b148d7,
  title = {Endoscopic retrograde biliary drainage.},
  author = {P C Freeny and R M Gannon and T J Ball},
  year = {1982},
  doi = {10.2214/ajr.139.2.399},
  url = {https://pubmed.ncbi.nlm.nih.gov/6979905/},
  note = {Source identifier: 6979905}
}