@misc{indiciae2e10e2136f32,
  title = {A respiration pump to provide a variable waveform.},
  author = {W E WATSON and J M SPALDING and A C SMITH},
  year = {1962},
  doi = {10.1093/bja/34.3.149},
  url = {https://pubmed.ncbi.nlm.nih.gov/14005311/},
  note = {Source identifier: 14005311}
}