@misc{indiciae7f56aff7cede,
  title = {Emphysematous cholecystitis presenting with pneumoperitoneum.},
  author = {D R Radin and J M Halls},
  year = {1987},
  doi = {10.2214/ajr.149.6.1175},
  url = {https://pubmed.ncbi.nlm.nih.gov/3500604/},
  note = {Source identifier: 3500604}
}