@misc{indiciae49704a328fa5,
  title = {Normal or "negative" percutaneous cholangiogram.},
  author = {M James},
  year = {1971},
  doi = {10.1001/archsurg.1971.01350070057012},
  url = {https://pubmed.ncbi.nlm.nih.gov/5088425/},
  note = {Source identifier: 5088425}
}