@misc{indiciaec3b7180653e9,
  title = {A ventilation-filtration unit for respiratory isolation.},
  author = {R L Marier and T Nelson},
  year = {1993},
  doi = {10.1086/646672},
  url = {https://pubmed.ncbi.nlm.nih.gov/8132995/},
  note = {Source identifier: 8132995}
}