@misc{indiciae4af11a3133d1,
  title = {Air pollution and bronchitis.},
  author = {A ROBERTS},
  year = {1959},
  doi = {10.1164/arrd.1959.80.4p1.582},
  url = {https://pubmed.ncbi.nlm.nih.gov/14437796/},
  note = {Source identifier: 14437796}
}