@misc{indiciaef2fccffa1f18,
  title = {Inspiratory obstruction.},
  author = {T J Clark},
  year = {1970},
  doi = {10.1136/bmj.3.5724.682},
  url = {https://pubmed.ncbi.nlm.nih.gov/5470115/},
  note = {Source identifier: 5470115}
}