@misc{indiciae2fea2d5a69a5,
  title = {Standard flow-time waveforms for testing of PEF meters.},
  author = {J L Hankinson and R O Crapo},
  year = {1995},
  doi = {10.1164/ajrccm.152.2.7633728},
  url = {https://pubmed.ncbi.nlm.nih.gov/7633728/},
  note = {Source identifier: 7633728}
}