@misc{indiciaeaf2558058835,
  title = {Perforated jejunal ulcer.},
  author = {J S JEFFREY},
  year = {1950},
  doi = {10.1002/bjs.18003814926},
  url = {https://pubmed.ncbi.nlm.nih.gov/15434333/},
  note = {Source identifier: 15434333}
}