@misc{indiciae0cb35983a87f,
  title = {A manometer to measure demand valve reference pressure.},
  author = {M J Banner and P G Boysen},
  year = {1985},
  doi = {10.1097/00000542-198503000-00032},
  url = {https://pubmed.ncbi.nlm.nih.gov/3883852/},
  note = {Source identifier: 3883852}
}