@misc{indiciaec9439fd11e7d,
  title = {Modern automatic respirators.},
  author = {W W MUSHIN and L RENDELL-BAKER},
  year = {1954},
  doi = {10.1093/bja/26.2.131},
  url = {https://pubmed.ncbi.nlm.nih.gov/13149717/},
  note = {Source identifier: 13149717}
}