@misc{indiciaece6c11b3770b,
  title = {[Surgical mask made from plastic material].},
  author = {S M Kurbangaleev and A V Miklashevskaia},
  year = {1969},
  url = {https://pubmed.ncbi.nlm.nih.gov/5379047/},
  note = {Source identifier: 5379047}
}