@misc{indiciae1bc2c20a3ff0,
  title = {Abdominal surgery.},
  author = {C E Welch},
  year = {1969},
  doi = {10.1056/nejm196902132800704},
  url = {https://pubmed.ncbi.nlm.nih.gov/4883586/},
  note = {Source identifier: 4883586}
}