@misc{indiciae54dece96c8d9,
  title = {Improved lung function and symptom control with formoterol on demand in asthma.},
  author = {D Cheung and H C J van Klink and R Aalbers and OZON study group},
  year = {2006},
  doi = {10.1183/09031936.06.00006805},
  url = {https://pubmed.ncbi.nlm.nih.gov/16507849/},
  note = {Source identifier: 16507849}
}