@misc{indiciae3811646b393a,
  title = {Pseudopneumoperitoneum: linear atelectasis simulating pneumoperitoneum.},
  author = {I A Grillo and S P Bohrer},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4686136/},
  note = {Source identifier: 4686136}
}