@misc{indiciae118faa3da90b,
  title = {Bronchoscopy. Enough or too much?},
  author = {R P Sen and T E Walsh},
  year = {1989},
  doi = {10.1378/chest.96.4.710},
  url = {https://pubmed.ncbi.nlm.nih.gov/2520563/},
  note = {Source identifier: 2520563}
}