@misc{indiciae34498d7a706e,
  title = {Peritoneoscopic cholangiography.},
  author = {P G KEIL and S N LANDIS},
  year = {1951},
  doi = {10.1001/archinte.1951.03810070046006},
  url = {https://pubmed.ncbi.nlm.nih.gov/14837543/},
  note = {Source identifier: 14837543}
}