@misc{indiciaeaf4e166d2475,
  title = {Is asthma increasing?},
  author = {M L Burr},
  year = {1987},
  doi = {10.1136/jech.41.3.185},
  url = {https://pubmed.ncbi.nlm.nih.gov/3327908/},
  note = {Source identifier: 3327908}
}