@misc{indiciae010e53b4ada8,
  title = {Beta 2 agonists and asthma.},
  author = {M R Sears},
  year = {1991},
  doi = {10.1136/bmj.303.6794.123},
  url = {https://pubmed.ncbi.nlm.nih.gov/1677598/},
  note = {Source identifier: 1677598}
}