@misc{indiciaefcf8dd005dd2,
  title = {Understanding tracheomalacia.},
  author = {S W Beasley and B Q Qi},
  year = {1998},
  doi = {10.1046/j.1440-1754.1998.00212.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9633963/},
  note = {Source identifier: 9633963}
}