@misc{indiciaee16e59f1b3b7,
  title = {Elective operations for duodenal ulcer.},
  author = {P H Jordan},
  year = {1972},
  doi = {10.1056/nejm197212282872606},
  url = {https://pubmed.ncbi.nlm.nih.gov/4564311/},
  note = {Source identifier: 4564311}
}