@misc{indiciaeb4c8f980cc9d,
  title = {Air pollution: some key issues.},
  author = {K M Stewart},
  year = {1994},
  doi = {10.1177/146642409411400209},
  url = {https://pubmed.ncbi.nlm.nih.gov/8021898/},
  note = {Source identifier: 8021898}
}