@misc{indiciaef03969560384,
  title = {Gallstone ileus.},
  author = {Jayant S Vaidya and Olutunde Lalude and David Grant and Hasan Mukhtar},
  year = {2003},
  doi = {10.1016/s0140-6736(03)14465-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/14550697/},
  note = {Source identifier: 14550697}
}