@misc{indiciaecfac44cc15cf,
  title = {[Gallstone ileus].},
  author = {P Sandbichler and A Königsrainer and E Steiner},
  year = {1987},
  doi = {10.1055/s-2008-1068197},
  url = {https://pubmed.ncbi.nlm.nih.gov/3595468/},
  note = {Source identifier: 3595468}
}