@misc{indiciaeec186afbd445,
  title = {[Pethidine and nitrous oxide anesthesia without barbiturate].},
  author = {H RUBEN and A K ANDREASSEN},
  year = {1951},
  url = {https://pubmed.ncbi.nlm.nih.gov/14843515/},
  note = {Source identifier: 14843515}
}