@misc{indiciae9c69594e7ff5,
  title = {Clear skies not so clean.},
  year = {2002},
  doi = {10.1016/s1470-2045(02)00893-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/12372705/},
  note = {Source identifier: 12372705}
}