@misc{indiciaeb4a3541a5612,
  title = {Towards defensive obstetrics.},
  author = {I Chalmers and A Macfarlane},
  year = {1979},
  doi = {10.1016/s0140-6736(79)90505-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/83507/},
  note = {Source identifier: 83507}
}