@misc{indiciaeb646116fdc43,
  title = {[External respiratory function among the flight staff].},
  author = {V I Kopanev and S N Akimov and I N Artamonov},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/1020243/},
  note = {Source identifier: 1020243}
}