@misc{indiciae7c82a6edcfd6,
  title = {Gallstone ileus.},
  author = {H S THOMAS and J K CHERRY and B D AVERBOOK},
  year = {1962},
  doi = {10.1001/jama.1962.03050080037008},
  url = {https://pubmed.ncbi.nlm.nih.gov/13920786/},
  note = {Source identifier: 13920786}
}