@misc{indiciae0caa610879e9,
  title = {A simple respirator.},
  author = {E A PASK},
  year = {1953},
  doi = {10.1016/s0140-6736(53)90087-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/13070565/},
  note = {Source identifier: 13070565}
}