@misc{indiciae573b2395000a,
  title = {Colonic gallstone ileus.},
  author = {D R Foster},
  year = {1997},
  doi = {10.1111/j.1440-1673.1997.tb00477.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9125079/},
  note = {Source identifier: 9125079}
}