@misc{indiciaecd147b5866ed,
  title = {NITROUS OXIDE IN OBSTETRICS.},
  author = {T H CHRISTIE},
  year = {1963},
  doi = {10.1136/bmj.2.5371.1529-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/14063092/},
  note = {Source identifier: 14063092}
}