@misc{indiciae95aa2a0a052f,
  title = {Extradural pethidine.},
  author = {A R Bapat and N A Kshirsagar and R D Bapat},
  year = {1980},
  doi = {10.1093/bja/52.6.637},
  url = {https://pubmed.ncbi.nlm.nih.gov/6448612/},
  note = {Source identifier: 6448612}
}