@misc{indiciae540297660dd5,
  title = {Quantitative bacterial air tests--a potential source of error.},
  author = {J M Levey and R Bradbury},
  year = {1991},
  doi = {10.1016/0195-6701(91)90181-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/1674263/},
  note = {Source identifier: 1674263}
}