@misc{indiciae0502b739029d,
  title = {Laparoscopic sterilization through Cusco's speculum.},
  author = {J O Greenhalf and H R Roberts},
  year = {1971},
  doi = {10.1136/bmj.3.5769.304},
  url = {https://pubmed.ncbi.nlm.nih.gov/4254114/},
  note = {Source identifier: 4254114}
}