@misc{indiciae2874f02d9158,
  title = {Diagnostic pneumoperitoneum.},
  author = {K LUMSDEN and S C TRUELOVE},
  year = {1957},
  doi = {10.1259/0007-1285-30-358-516},
  url = {https://pubmed.ncbi.nlm.nih.gov/13471909/},
  note = {Source identifier: 13471909}
}