@misc{indiciae68cdab2b6249,
  title = {Volumeter attachment on Boyle circle absorber.},
  author = {D I Campbell},
  year = {1971},
  doi = {10.1093/bja/43.2.206-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/5279544/},
  note = {Source identifier: 5279544}
}