@misc{indiciae33dc7349a496,
  title = {Sampled gas need not be returned during low-flow anesthesia.},
  author = {J P Bengtson and J Bengtsson and A Bengtsson and O Stenqvist},
  year = {1993},
  doi = {10.1007/bf01618674},
  url = {https://pubmed.ncbi.nlm.nih.gov/8106886/},
  note = {Source identifier: 8106886}
}