@misc{indiciae3cf7d552af75,
  title = {Air pollution: the "classical" pollutants.},
  author = {D Gloag},
  year = {1981},
  doi = {10.1136/bmj.282.6265.723},
  url = {https://pubmed.ncbi.nlm.nih.gov/6781631/},
  note = {Source identifier: 6781631}
}