@misc{indiciae27edaad85802,
  title = {Gallstone ileus diagnosed by computed tomography.},
  author = {K Grumbach and M S Levine and J A Wexler},
  doi = {10.1097/00004728-198601000-00034},
  url = {https://pubmed.ncbi.nlm.nih.gov/3944301/},
  note = {Source identifier: 3944301}
}