@misc{indiciae277d5ed252e6,
  title = {A new method for positioning endotracheal tubes.},
  author = {D J Cullen and R S Newbower and M Gemer},
  year = {1975},
  doi = {10.1097/00000542-197511000-00027},
  url = {https://pubmed.ncbi.nlm.nih.gov/1190534/},
  note = {Source identifier: 1190534}
}