@misc{indiciaef379a66b5c0a,
  title = {Peak-flow meter versus peak-flow gauge.},
  author = {I A Campbell and R J Prescott and I Smith and C Anderson and A Johnson and J Campbell},
  year = {1974},
  doi = {10.1016/s0140-6736(74)91488-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/4135612/},
  note = {Source identifier: 4135612}
}