@misc{indiciae4d9d3efd6e70,
  title = {Ultrafine particles.},
  author = {K Donaldson and V Stone and A Clouter and L Renwick and W MacNee},
  year = {2001},
  doi = {10.1136/oem.58.3.211},
  url = {https://pubmed.ncbi.nlm.nih.gov/11171936/},
  note = {Source identifier: 11171936}
}