@misc{indiciaefaeea3d09625,
  title = {Passive smoking: statistical bias?},
  author = {T J Borelli},
  year = {1991},
  doi = {10.3109/15563659109038625},
  url = {https://pubmed.ncbi.nlm.nih.gov/2051516/},
  note = {Source identifier: 2051516}
}