@misc{indiciae97b0430ee6ae,
  title = {Pulmonary diffusing capacity: problems in its definition and determination.},
  author = {J Piiper},
  year = {1987},
  doi = {10.2302/kjm.36.112},
  url = {https://pubmed.ncbi.nlm.nih.gov/3613386/},
  note = {Source identifier: 3613386}
}