@misc{indiciae8aafeface601,
  title = {Laparoscopic cholecystectomy.},
  author = {N J Soper},
  year = {1991},
  doi = {10.1016/0011-3840(91)90041-m},
  url = {https://pubmed.ncbi.nlm.nih.gov/1831416/},
  note = {Source identifier: 1831416}
}