@misc{indiciae1b4ecfddddc1,
  title = {A valve assembly for studying pulmonary function in trauma patients.},
  author = {K W Spitzer and A H Morris and H Arnhold},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4755448/},
  note = {Source identifier: 4755448}
}