@misc{indiciaec8b19b75d8bb,
  title = {A modified EHN spirometer for oxygen consumption.},
  author = {C A DiFazio and P Y Chen},
  doi = {10.1097/00000542-196811000-00024},
  url = {https://pubmed.ncbi.nlm.nih.gov/5248364/},
  note = {Source identifier: 5248364}
}