@misc{indiciaeaf4620ccdcd2,
  title = {[Air pollution].},
  author = {Y Tsunetoshi and T Okumura and M Ueda and N Nakayama and Y Takemura},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4738444/},
  note = {Source identifier: 4738444}
}