@misc{indiciaef32646a2d23a,
  title = {A single-layer intestinal anastomosis.},
  author = {N W Orr},
  year = {1969},
  doi = {10.1002/bjs.1800561020},
  url = {https://pubmed.ncbi.nlm.nih.gov/4899845/},
  note = {Source identifier: 4899845}
}