@misc{indiciae4c69804f3d54,
  title = {[Respirators].},
  author = {M Poisvert and E Echter and S Ivanoff and C Caille},
  year = {1970},
  url = {https://pubmed.ncbi.nlm.nih.gov/5273825/},
  note = {Source identifier: 5273825}
}