@misc{indiciae3d0c6ddaca16,
  title = {Brittle asthma: fiend or phantom?},
  author = {M R Hetzel},
  year = {1998},
  doi = {10.1136/thx.53.4.235},
  url = {https://pubmed.ncbi.nlm.nih.gov/9741361/},
  note = {Source identifier: 9741361}
}