@misc{indiciae7051c313b661,
  title = {Pneumoretroperitoneum technique and results.},
  author = {S FAGERBERG},
  year = {1952},
  doi = {10.3109/00016925209138677},
  url = {https://pubmed.ncbi.nlm.nih.gov/14943585/},
  note = {Source identifier: 14943585}
}