@misc{indiciae495f7b41ce65,
  title = {Esophageal perforation and endoscopy.},
  author = {J S Kirkham},
  year = {1981},
  doi = {10.1007/bf01309619},
  url = {https://pubmed.ncbi.nlm.nih.gov/7285752/},
  note = {Source identifier: 7285752}
}