@misc{indiciaea676943ef865,
  title = {Bronchoscopy for tube positioning.},
  author = {J L Benumof and J T Zupan},
  year = {1990},
  doi = {10.1016/0888-6296(90)90273-i},
  url = {https://pubmed.ncbi.nlm.nih.gov/2131878/},
  note = {Source identifier: 2131878}
}