@misc{indiciae6c13a8aa6999,
  title = {Complex cleanup.},
  author = {H K Black},
  year = {1999},
  doi = {10.1289/ehp.99107a68},
  url = {https://pubmed.ncbi.nlm.nih.gov/9924015/},
  note = {Source identifier: 9924015}
}