@misc{indiciaed83e210915da,
  title = {"Saw-tooth" pattern in the flow-volume loop.},
  author = {W Vincken and M G Cosio},
  year = {1985},
  doi = {10.1378/chest.88.3.480-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4028864/},
  note = {Source identifier: 4028864}
}