@misc{indiciaee166b36c557e,
  title = {MODIFIED MOERCH PISTON RESPIRATOR.},
  author = {P SAFAR and G DAVIS},
  doi = {10.1097/00000542-196401000-00015},
  url = {https://pubmed.ncbi.nlm.nih.gov/14115542/},
  note = {Source identifier: 14115542}
}