@misc{indiciae1a669eb41206,
  title = {Discrepancy between standard and low range mini Wright peak flow meters.},
  author = {T P Usherwood and J H Barber},
  year = {1986},
  doi = {10.1136/bmj.292.6519.523},
  url = {https://pubmed.ncbi.nlm.nih.gov/3081153/},
  note = {Source identifier: 3081153}
}