@misc{indiciae600e9d4f6009,
  title = {Respiratory protection.},
  author = {Thomas K Hodous},
  year = {2003},
  doi = {10.1056/nejm200301093480216},
  url = {https://pubmed.ncbi.nlm.nih.gov/12519933/},
  note = {Source identifier: 12519933}
}