@misc{indiciae9db5859d49c7,
  title = {Endoscopic retrograde biliary drainage.},
  author = {W M Marks and P C Freeny and T J Ball and R M Gannan},
  year = {1984},
  doi = {10.1148/radiology.152.2.6739799},
  url = {https://pubmed.ncbi.nlm.nih.gov/6739799/},
  note = {Source identifier: 6739799}
}