@misc{indiciaedfcdd360ba88,
  title = {Abdominal surgery. I.},
  author = {C E Welch},
  year = {1971},
  doi = {10.1056/nejm197102252840806},
  url = {https://pubmed.ncbi.nlm.nih.gov/4924841/},
  note = {Source identifier: 4924841}
}