@misc{indiciae398f9b492f6a,
  title = {Multiple-puncture tuberculin testing.},
  author = {A J Johnson and J A Lunn},
  year = {1979},
  doi = {10.1136/bmj.1.6178.1624},
  url = {https://pubmed.ncbi.nlm.nih.gov/466146/},
  note = {Source identifier: 466146}
}