@misc{indiciaef73b81cc2c12,
  title = {Helium-oxygen mixtures during bronchoscopy.},
  author = {S K Pingleton and R C Bone and W C Ruth},
  year = {1980},
  doi = {10.1097/00003246-198001000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/7349948/},
  note = {Source identifier: 7349948}
}