@misc{indiciaeb2744ba47750,
  title = {Ventilation through an open bronchoscope (preliminary report).},
  author = {W E Spoerel},
  year = {1969},
  doi = {10.1007/bf03005779},
  url = {https://pubmed.ncbi.nlm.nih.gov/4884880/},
  note = {Source identifier: 4884880}
}