@misc{indiciae36e2f10c649d,
  title = {Pursed-lip breathing reduces hyperventilation-induced bronchoconstriction.},
  author = {J M Wardlaw and R J Fergusson and P M Tweeddale and G J McHardy},
  year = {1987},
  doi = {10.1016/s0140-6736(87)92225-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/2885467/},
  note = {Source identifier: 2885467}
}