@misc{indiciae3d42c7c8c50b,
  title = {Pocket computer for interpretation of office spirometry.},
  author = {J E Heffner},
  year = {1988},
  doi = {10.1097/00007611-198803000-00016},
  url = {https://pubmed.ncbi.nlm.nih.gov/3347862/},
  note = {Source identifier: 3347862}
}