@misc{indiciaeebe75b7aa25d,
  title = {Method for comparing concentrations of the open-air factor.},
  author = {C S Cox and A M Hood and J Baxter},
  year = {1973},
  doi = {10.1128/am.26.4.640-642.1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4584599/},
  note = {Source identifier: 4584599}
}