@misc{indiciaefe9d06b9eb78,
  title = {Opioids in labor.},
  author = {J Kingdom and S Woods},
  year = {1997},
  doi = {10.1016/s0140-6736(97)26010-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/9078215/},
  note = {Source identifier: 9078215}
}