@misc{indiciae67159748ca8c,
  title = {Asthma and ionisation.},
  author = {D J Ball},
  year = {1980},
  doi = {10.1016/s0140-6736(80)92514-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/6108425/},
  note = {Source identifier: 6108425}
}