@misc{indiciae1e0b7ff432ef,
  title = {Retroperitoneal emphysema after colonoscopy.},
  author = {M B Lezak and M Goldhamer},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4809489/},
  note = {Source identifier: 4809489}
}