@misc{indiciae77993a181651,
  title = {Using peak flow meters.},
  author = {L Evans},
  year = {1992},
  doi = {10.1097/00152193-199207000-00001},
  url = {https://pubmed.ncbi.nlm.nih.gov/1407779/},
  note = {Source identifier: 1407779}
}