@misc{indiciaeb87c60538735,
  title = {Obstetric forceps or vacuum extractor.},
  author = {D Brown},
  year = {1967},
  doi = {10.1136/bmj.4.5577.487},
  url = {https://pubmed.ncbi.nlm.nih.gov/6055746/},
  note = {Source identifier: 6055746}
}