@misc{indiciaeea94c67e8d14,
  title = {Routine or indicated operative cholangiography?},
  author = {R Cade and B Collopy and P Ryan},
  year = {1980},
  doi = {10.1111/j.1445-2197.1980.tb04174.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6934757/},
  note = {Source identifier: 6934757}
}