@misc{indiciae065f1519598b,
  title = {Children with difficult asthma: a practical approach.},
  author = {D N Payne and I M Balfour-Lynn},
  year = {2001},
  doi = {10.1081/jas-100000106},
  url = {https://pubmed.ncbi.nlm.nih.gov/11392359/},
  note = {Source identifier: 11392359}
}