@misc{indiciae5feb698db479,
  title = {Tuberculin reactivity.},
  author = {T J Steenhuis and M O Hoekstra},
  year = {2001},
  doi = {10.1136/thorax.56.4.331a},
  url = {https://pubmed.ncbi.nlm.nih.gov/11288743/},
  note = {Source identifier: 11288743}
}