@misc{indiciae90d17631a8a0,
  title = {Breathlessness.},
  author = {A Cockcroft and A Guz},
  year = {1987},
  doi = {10.1136/pgmj.63.742.637},
  url = {https://pubmed.ncbi.nlm.nih.gov/3321008/},
  note = {Source identifier: 3321008}
}