@misc{indiciae65359e0b6700,
  title = {Pneumoperitoneum without peritonitis.},
  author = {T E Fick and F H van Oorschot and W M Mallens and P J Kitslaar},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3231344/},
  note = {Source identifier: 3231344}
}