@misc{indiciaeb857e949727d,
  title = {[Gallstone ileus].},
  author = {Kai Pihlajamaa and Tapani Tikkakoski and Antero Hulkko},
  year = {2003},
  url = {https://pubmed.ncbi.nlm.nih.gov/12916187/},
  note = {Source identifier: 12916187}
}