@misc{indiciae781f95bdae2f,
  title = {Beta-agonists and asthma.},
  author = {D Cockcroft and V A Swystun and R Bhagat},
  year = {1994},
  doi = {10.1016/s0140-6736(94)90855-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/7903759/},
  note = {Source identifier: 7903759}
}