@misc{indiciae8de2040517e8,
  title = {Pneumoperitoneum without peritonitis.},
  author = {B D Daly and J A Guthrie and N F Couse},
  year = {1991},
  doi = {10.1136/pgmj.67.793.999},
  url = {https://pubmed.ncbi.nlm.nih.gov/1775427/},
  note = {Source identifier: 1775427}
}