@misc{indiciae840bc6f28633,
  title = {Vacuum extraction or forceps?},
  author = {H Simpson},
  year = {1986},
  doi = {10.1136/bmj.292.6515.272-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/3081106/},
  note = {Source identifier: 3081106}
}