@misc{indiciae3078bf095c63,
  title = {Online respiratory-waveform analysis using a digital desk calculator.},
  author = {S Z Turney and W Blumenfeld},
  year = {1973},
  doi = {10.1007/bf02475537},
  url = {https://pubmed.ncbi.nlm.nih.gov/4746383/},
  note = {Source identifier: 4746383}
}