@misc{indiciae23cc45d7d4af,
  title = {Flow volume loops in diagnosis.},
  author = {J C Lutz and K M Nugent},
  year = {1990},
  doi = {10.1378/chest.97.2.504},
  url = {https://pubmed.ncbi.nlm.nih.gov/2298086/},
  note = {Source identifier: 2298086}
}