@misc{indiciae64204c177cfe,
  title = {Gallstone ileus masquerading as a gastric outlet obstruction.},
  author = {C M Lowther and M Omar},
  year = {1979},
  doi = {10.1097/00007611-197906000-00033},
  url = {https://pubmed.ncbi.nlm.nih.gov/451663/},
  note = {Source identifier: 451663}
}