@misc{indiciae003d343375eb,
  title = {Intraluminal biliary obstruction.},
  author = {N D Heaton and M Davenport and E R Howard},
  year = {1991},
  doi = {10.1136/adc.66.12.1395},
  url = {https://pubmed.ncbi.nlm.nih.gov/1776884/},
  note = {Source identifier: 1776884}
}