@misc{indiciae0fc7151249ab,
  title = {Difficult asthma.},
  author = {A Gorchein},
  year = {1989},
  doi = {10.1136/bmj.299.6706.1031-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/2511952/},
  note = {Source identifier: 2511952}
}