@misc{indiciae863b8d282f5d,
  title = {Toxic trace elements: preferential concentration in respirable particles.},
  author = {D F Natusch and J R Wallace and C A Evans},
  year = {1974},
  doi = {10.1126/science.183.4121.202},
  url = {https://pubmed.ncbi.nlm.nih.gov/4808856/},
  note = {Source identifier: 4808856}
}