@misc{indiciae41bf7b903e94,
  title = {Amniotic-membrane rupturer.},
  author = {P Nattrass},
  year = {1972},
  doi = {10.1136/bmj.4.5840.609-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/4643403/},
  note = {Source identifier: 4643403}
}