@misc{indiciae373f1fb81197,
  title = {Practical anesthesia for bronchography.},
  author = {R J Ayella},
  year = {1973},
  doi = {10.1148/109.3.724},
  url = {https://pubmed.ncbi.nlm.nih.gov/4772191/},
  note = {Source identifier: 4772191}
}