@misc{indiciaea26e4cf86b1d,
  title = {Difficult asthma.},
  author = {Mary E Strek},
  year = {2006},
  doi = {10.1513/pats.200510-115jh},
  url = {https://pubmed.ncbi.nlm.nih.gov/16493159/},
  note = {Source identifier: 16493159}
}