@misc{indiciaec031a9c881c3,
  title = {Tuberculosis contact tracing.},
  author = {P D Davies},
  year = {1992},
  doi = {10.1136/bmj.304.6843.1691-c},
  url = {https://pubmed.ncbi.nlm.nih.gov/1633533/},
  note = {Source identifier: 1633533}
}