@misc{indiciaeca14b3c718a0,
  title = {Obstetric anesthesia.},
  author = {J S McDonald},
  year = {1978},
  doi = {10.1097/00003081-197806000-00019},
  url = {https://pubmed.ncbi.nlm.nih.gov/668239/},
  note = {Source identifier: 668239}
}